Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/50 from 36/21

1st number: 1 15/21, 2nd number: 1 20/50

36/21 - 70/50 is 11/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    36/21 = 36 × 50/21 × 50 = 1800/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    70/50 = 70 × 21/50 × 21 = 1470/1050
  4. Subtract the two like fractions:
    1800/1050 - 1470/1050 = 1800 - 1470/1050 = 330/1050
  5. After reducing the fraction, the answer is 11/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com