Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 56/16 from 21/5

1st number: 4 1/5, 2nd number: 3 8/16

21/5 - 56/16 is 7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    21/5 = 21 × 16/5 × 16 = 336/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    56/16 = 56 × 5/16 × 5 = 280/80
  4. Subtract the two like fractions:
    336/80 - 280/80 = 336 - 280/80 = 56/80
  5. After reducing the fraction, the answer is 7/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com