Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/7 and 10/9

1st number: 10 0/7, 2nd number: 1 1/9

70/7 + 10/9 is 100/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    70/7 = 70 × 9/7 × 9 = 630/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    10/9 = 10 × 7/9 × 7 = 70/63
  4. Add the two like fractions:
    630/63 + 70/63 = 630 + 70/63 = 700/63
  5. 700/63 simplified gives 100/9
  6. So, 70/7 + 10/9 = 100/9
    In mixed form: 111/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com