Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/56 from 7/30

7/30 - 49/56 is -77/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    7/30 = 7 × 28/30 × 28 = 196/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    49/56 = 49 × 15/56 × 15 = 735/840
  4. Subtract the two like fractions:
    196/840 - 735/840 = 196 - 735/840 = -539/840
  5. After reducing the fraction, the answer is -77/120

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com