4:11
Instructs you Allah concerning your children - for the male like (the) portion (of) two females. But if there are (only) women more (than) two, then for them two thirds (of) what he left. And if (there) is (only) one, then for her (is) half. And for his parents, for each one of them a sixth of what (is) left, if is for him a child. But if not is for him any child and inherit[ed] him his parents, then for his mother (is) one third. And if are for him brothers and sisters, then for his mother (is) the sixth from after any will he has made [of which] or any debt. Your parents and your children - not you know which of them (is) nearer to you (in) benefit. An obligation from Allah. Indeed, Allah is All-Knowing, All-Wise.

2:237
And if you divorce them from before [that] you (have) touched them while already you have specified for them an obligation (dower), then (give) half (of) what you have specified, unless [that] they (women) forgo (it) or forgoes the one in whose hands (is the) knot (of) the marriage. And that you forgo, (is) nearer to [the] righteousness. And (do) not forget the graciousness among you. Indeed, Allah of what you do (is) All-Seer.

4:176
They seek your ruling. Say, "Allah gives you a ruling concerning them (no parent or child) if a man died (and) not he has a child and he has a sister, then for her (is) a half (of) what he left. And he will inherit from her if not is for her a child. But if there were two females then for them two thirds of what he left. But if they were brothers and sisters men and women, then the male will have like share (of) the two females. makes clear Allah to you lest you go astray. And Allah of every thing (is) All-Knower.

4:12
And for you (is) half (of) what (is) left by your wives if not is for them a child. But if is for them a child, then for you (is) the fourth of what they left, from after any will they have made [for which] or any debt. And for them (is) the fourth of what you left, if not is for you a child. But if is for you a child, then for them (is) the eighth of what you left from after any will you have made [for which] or any debt. And if [is] a man (whose wealth) is to be inheri (has) no parent or child or a women and for him (is) a brother or a sister, then for each one of (the) two (is) the sixth. But if they are more than that, then they (are) partners in the third, from after any will was made [for which] or any debt without (being) harmful. An ordinance from Allah. And Allah (is) All-Knowing, All-Forbearing.

4:25
And whoever (is) not able to among you afford to marry the free chaste [the] believing women then (marry) from what possess[ed] your right hands of your girls - (of) the believers. And Allah knows best about your faith. You (are) from (one) another. So marry them with (the) permission (of) their family and give them their bridal due in a fair manner. (They should be) chaste not those who commit immorality and not those who take secret lovers. Then when they are married and if they commit adultery then for them (is) half (of) what (is) on the free chaste women of the punishment. That (is) for whoever fears committing sin among you and that you be patient (is) better for you. And Allah (is) Oft-Forgiving, Most Merciful.

73:3
Half of it, or lessen from it a little,

73:20
Indeed, your Lord knows that you stand (a little) less than two-thirds (of) the night, and half of it and a third of it and (so do) a group of those who (are) with you. And Allah determines the night and the day. He knows that not you count it, so He has turned to you, so recite what is easy of the Quran. He knows that there will be among you sick and others traveling in the land seeking of (the) Bounty (of) Allah, and others fighting in (the) way (of) Allah. So recite what is easy of it, and establish the prayer and give the zakah and loan Allah a loan goodly. And whatever you send forth for yourselves of good, you will find it with Allah. It (will be) better and greater (in) reward. And seek forgiveness (of) Allah. Indeed, Allah (is) Oft-Forgiving, Most Merciful.