Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/40 from 20/60

1st number: 20/60, 2nd number: 1 23/40

20/60 - 63/40 is -149/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 60 × 2 = 120,
    20/60 = 20 × 2/60 × 2 = 40/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    63/40 = 63 × 3/40 × 3 = 189/120
  4. Subtract the two like fractions:
    40/120 - 189/120 = 40 - 189/120 = -149/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com