Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/80 from 10/14

10/14 - 21/80 is 253/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    10/14 = 10 × 40/14 × 40 = 400/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    21/80 = 21 × 7/80 × 7 = 147/560
  4. Subtract the two like fractions:
    400/560 - 147/560 = 400 - 147/560 = 253/560

MathStep (Works offline)

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

Related:

© everydaycalculation.com