Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 72/7 and 8/90

1st number: 10 2/7, 2nd number: 8/90

72/7 + 8/90 is 3268/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    72/7 = 72 × 90/7 × 90 = 6480/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    8/90 = 8 × 7/90 × 7 = 56/630
  4. Add the two fractions:
    6480/630 + 56/630 = 6480 + 56/630 = 6536/630
  5. After reducing the fraction, the answer is 3268/315
  6. In mixed form: 10118/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com