Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 18/40 and 5/28

18/40 + 5/28 is 22/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    18/40 = 18 × 7/40 × 7 = 126/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    5/28 = 5 × 10/28 × 10 = 50/280
  4. Add the two fractions:
    126/280 + 50/280 = 126 + 50/280 = 176/280
  5. After reducing the fraction, the answer is 22/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com