Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/72 from 21/10

1st number: 2 1/10, 2nd number: 35/72

21/10 - 35/72 is 581/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 10 × 36 = 360,
    21/10 = 21 × 36/10 × 36 = 756/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    35/72 = 35 × 5/72 × 5 = 175/360
  4. Subtract the two like fractions:
    756/360 - 175/360 = 756 - 175/360 = 581/360
  5. In mixed form: 1221/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com