Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/40 and 35/63

12/40 + 35/63 is 77/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    12/40 = 12 × 63/40 × 63 = 756/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    35/63 = 35 × 40/63 × 40 = 1400/2520
  4. Add the two fractions:
    756/2520 + 1400/2520 = 756 + 1400/2520 = 2156/2520
  5. 2156/2520 simplified gives 77/90
  6. So, 12/40 + 35/63 = 77/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com