Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 40/56 and 6/90

40/56 + 6/90 is 82/105.

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,
    40/56 = 40 × 45/56 × 45 = 1800/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    6/90 = 6 × 28/90 × 28 = 168/2520
  4. Add the two fractions:
    1800/2520 + 168/2520 = 1800 + 168/2520 = 1968/2520
  5. After reducing the fraction, the answer is 82/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com