Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/7 and 70/9

1st number: 4/7, 2nd number: 7 7/9

4/7 + 70/9 is 526/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    4/7 = 4 × 9/7 × 9 = 36/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    70/9 = 70 × 7/9 × 7 = 490/63
  4. Add the two fractions:
    36/63 + 490/63 = 36 + 490/63 = 526/63
  5. So, 4/7 + 70/9 = 526/63
    In mixed form: 822/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com