Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/56 and 7/90

40/56 + 7/90 is 499/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    7/90 = 7 × 28/90 × 28 = 196/2520
  4. Add the two like fractions:
    1800/2520 + 196/2520 = 1800 + 196/2520 = 1996/2520
  5. 1996/2520 simplified gives 499/630
  6. So, 40/56 + 7/90 = 499/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com