Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 36/30 from 5/42

1st number: 5/42, 2nd number: 1 6/30

5/42 - 36/30 is -227/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    5/42 = 5 × 5/42 × 5 = 25/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    36/30 = 36 × 7/30 × 7 = 252/210
  4. Subtract the two fractions:
    25/210 - 252/210 = 25 - 252/210 = -227/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com