Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 3/63 from 15/75

15/75 - 3/63 is 16/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 63 is 1575
  2. For the 1st fraction, since 75 × 21 = 1575,
    15/75 = 15 × 21/75 × 21 = 315/1575
  3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
    3/63 = 3 × 25/63 × 25 = 75/1575
  4. Subtract the two fractions:
    315/1575 - 75/1575 = 315 - 75/1575 = 240/1575
  5. After reducing the fraction, the answer is 16/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com