Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 42/10 from 28/15

1st number: 1 13/15, 2nd number: 4 2/10

28/15 - 42/10 is -7/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 10 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    28/15 = 28 × 2/15 × 2 = 56/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    42/10 = 42 × 3/10 × 3 = 126/30
  4. Subtract the two fractions:
    56/30 - 126/30 = 56 - 126/30 = -70/30
  5. After reducing the fraction, the answer is -7/3

Related:

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

© everydaycalculation.com