Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/24 from 42/40

1st number: 1 2/40, 2nd number: 7/24

42/40 - 7/24 is 91/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    7/24 = 7 × 5/24 × 5 = 35/120
  4. Subtract the two like fractions:
    126/120 - 35/120 = 126 - 35/120 = 91/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com