Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 49/27 from 9/21

1st number: 9/21, 2nd number: 1 22/27

9/21 - 49/27 is -262/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 27 is 189
  2. For the 1st fraction, since 21 × 9 = 189,
    9/21 = 9 × 9/21 × 9 = 81/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    49/27 = 49 × 7/27 × 7 = 343/189
  4. Subtract the two fractions:
    81/189 - 343/189 = 81 - 343/189 = -262/189

Related:

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

© everydaycalculation.com