Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/70 from 40/60

40/60 - 15/70 is 19/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    40/60 = 40 × 7/60 × 7 = 280/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    15/70 = 15 × 6/70 × 6 = 90/420
  4. Subtract the two like fractions:
    280/420 - 90/420 = 280 - 90/420 = 190/420
  5. After reducing the fraction, the answer is 19/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com