Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/90 and 63/80

40/90 + 63/80 is 887/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    40/90 = 40 × 8/90 × 8 = 320/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    63/80 = 63 × 9/80 × 9 = 567/720
  4. Add the two like fractions:
    320/720 + 567/720 = 320 + 567/720 = 887/720
  5. So, 40/90 + 63/80 = 887/720
    In mixed form: 1167/720

MathStep (Works offline)

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

Related:

© everydaycalculation.com