Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/14 and 72/80

1st number: 1 1/14, 2nd number: 72/80

15/14 + 72/80 is 69/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    15/14 = 15 × 40/14 × 40 = 600/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    72/80 = 72 × 7/80 × 7 = 504/560
  4. Add the two like fractions:
    600/560 + 504/560 = 600 + 504/560 = 1104/560
  5. 1104/560 simplified gives 69/35
  6. So, 15/14 + 72/80 = 69/35
    In mixed form: 134/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com