Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/56 and 27/40

15/56 + 27/40 is 33/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 40 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    15/56 = 15 × 5/56 × 5 = 75/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    27/40 = 27 × 7/40 × 7 = 189/280
  4. Add the two fractions:
    75/280 + 189/280 = 75 + 189/280 = 264/280
  5. 264/280 simplified gives 33/35
  6. So, 15/56 + 27/40 = 33/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com