Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 90/42 from 6/15

1st number: 6/15, 2nd number: 2 6/42

6/15 - 90/42 is -61/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    6/15 = 6 × 14/15 × 14 = 84/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    90/42 = 90 × 5/42 × 5 = 450/210
  4. Subtract the two fractions:
    84/210 - 450/210 = 84 - 450/210 = -366/210
  5. After reducing the fraction, the answer is -61/35

Related:

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

© everydaycalculation.com