Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 42/9 from 8/15

1st number: 8/15, 2nd number: 4 6/9

8/15 - 42/9 is -62/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    8/15 = 8 × 3/15 × 3 = 24/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    42/9 = 42 × 5/9 × 5 = 210/45
  4. Subtract the two fractions:
    24/45 - 210/45 = 24 - 210/45 = -186/45
  5. After reducing the fraction, the answer is -62/15

Related:

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

© everydaycalculation.com