Lumen🪙 0

Making fraction calculations easier

📖 Learn🎬 Guided Practice✏️ Practice
Concept 1 of 3 · no score 🙂

Break the fraction into factors

Turn it into a sum you can do in your head1/4 of 6004 = 2 × 2, so halve twice600 → 300 → 1503/5 of 120use 6/10 — ÷10 is easier12 × 6 = 727/8 of 400find 1/8 and subtract it400 − 50 = 350also: cancel common factors BEFORE multiplying, to keep the numbers small
Whichever trick you use, the order of operations still applies.
  1. 14 = 2 × 2, so finding 1/4 is halving twice.