Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 15/56 and 25/90

15/56 + 25/90 is 275/504.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    15/56 = 15 × 45/56 × 45 = 675/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    25/90 = 25 × 28/90 × 28 = 700/2520
  4. Add the two fractions:
    675/2520 + 700/2520 = 675 + 700/2520 = 1375/2520
  5. After reducing the fraction, the answer is 275/504

MathStep (Works offline)

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

Related:

© everydaycalculation.com