Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 60/40 from 60/42

1st number: 1 18/42, 2nd number: 1 20/40

60/42 - 60/40 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840
  2. For the 1st fraction, since 42 × 20 = 840,
    60/42 = 60 × 20/42 × 20 = 1200/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    60/40 = 60 × 21/40 × 21 = 1260/840
  4. Subtract the two fractions:
    1200/840 - 1260/840 = 1200 - 1260/840 = -60/840
  5. After reducing the fraction, the answer is -1/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com