Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 3/40 from 63/7

1st number: 9 0/7, 2nd number: 3/40

63/7 - 3/40 is 357/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    63/7 = 63 × 40/7 × 40 = 2520/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Subtract the two fractions:
    2520/280 - 21/280 = 2520 - 21/280 = 2499/280
  5. After reducing the fraction, the answer is 357/40
  6. In mixed form: 837/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com