Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 64/7 and 28/80

1st number: 9 1/7, 2nd number: 28/80

64/7 + 28/80 is 1329/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    64/7 = 64 × 80/7 × 80 = 5120/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    28/80 = 28 × 7/80 × 7 = 196/560
  4. Add the two like fractions:
    5120/560 + 196/560 = 5120 + 196/560 = 5316/560
  5. 5316/560 simplified gives 1329/140
  6. So, 64/7 + 28/80 = 1329/140
    In mixed form: 969/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com