Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/84 from 60/40

1st number: 1 20/40, 2nd number: 70/84

60/40 - 70/84 is 2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    60/40 = 60 × 21/40 × 21 = 1260/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    70/84 = 70 × 10/84 × 10 = 700/840
  4. Subtract the two like fractions:
    1260/840 - 700/840 = 1260 - 700/840 = 560/840
  5. After reducing the fraction, the answer is 2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com