Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 10/27 from 2/42

2/42 - 10/27 is -61/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    2/42 = 2 × 9/42 × 9 = 18/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    10/27 = 10 × 14/27 × 14 = 140/378
  4. Subtract the two fractions:
    18/378 - 140/378 = 18 - 140/378 = -122/378
  5. After reducing the fraction, the answer is -61/189

Related:

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

© everydaycalculation.com