Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 12/63 from 72/30

1st number: 2 12/30, 2nd number: 12/63

72/30 - 12/63 is 232/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630
  2. For the 1st fraction, since 30 × 21 = 630,
    72/30 = 72 × 21/30 × 21 = 1512/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    12/63 = 12 × 10/63 × 10 = 120/630
  4. Subtract the two fractions:
    1512/630 - 120/630 = 1512 - 120/630 = 1392/630
  5. After reducing the fraction, the answer is 232/105
  6. In mixed form: 222/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com