Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/30 from 84/15

1st number: 5 9/15, 2nd number: 7/30

84/15 - 7/30 is 161/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    84/15 = 84 × 2/15 × 2 = 168/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    7/30 = 7 × 1/30 × 1 = 7/30
  4. Subtract the two like fractions:
    168/30 - 7/30 = 168 - 7/30 = 161/30
  5. In mixed form: 511/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com