Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 63/35 and 12/40

1st number: 1 28/35, 2nd number: 12/40

63/35 + 12/40 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 40 is 280
  2. For the 1st fraction, since 35 × 8 = 280,
    63/35 = 63 × 8/35 × 8 = 504/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  4. Add the two fractions:
    504/280 + 84/280 = 504 + 84/280 = 588/280
  5. After reducing the fraction, the answer is 21/10
  6. In mixed form: 21/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com