Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 21/70 from 4/3

1st number: 1 1/3, 2nd number: 21/70

4/3 - 21/70 is 31/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 70 is 210
  2. For the 1st fraction, since 3 × 70 = 210,
    4/3 = 4 × 70/3 × 70 = 280/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    21/70 = 21 × 3/70 × 3 = 63/210
  4. Subtract the two fractions:
    280/210 - 63/210 = 280 - 63/210 = 217/210
  5. After reducing the fraction, the answer is 31/30
  6. In mixed form: 11/30

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com