Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/63 and 15/40

56/63 + 15/40 is 91/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    56/63 = 56 × 40/63 × 40 = 2240/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    15/40 = 15 × 63/40 × 63 = 945/2520
  4. Add the two like fractions:
    2240/2520 + 945/2520 = 2240 + 945/2520 = 3185/2520
  5. 3185/2520 simplified gives 91/72
  6. So, 56/63 + 15/40 = 91/72
    In mixed form: 119/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com