Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/70 and 8/7

1st number: 18/70, 2nd number: 1 1/7

18/70 + 8/7 is 7/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    18/70 = 18 × 1/70 × 1 = 18/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    8/7 = 8 × 10/7 × 10 = 80/70
  4. Add the two like fractions:
    18/70 + 80/70 = 18 + 80/70 = 98/70
  5. 98/70 simplified gives 7/5
  6. So, 18/70 + 8/7 = 7/5
    In mixed form: 12/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com