Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/7 and 70/80

1st number: 1 1/7, 2nd number: 70/80

8/7 + 70/80 is 113/56.

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,
    8/7 = 8 × 80/7 × 80 = 640/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  4. Add the two like fractions:
    640/560 + 490/560 = 640 + 490/560 = 1130/560
  5. 1130/560 simplified gives 113/56
  6. So, 8/7 + 70/80 = 113/56
    In mixed form: 21/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com