Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/7 and 3/10

5/7 + 3/10 is 71/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    5/7 = 5 × 10/7 × 10 = 50/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    3/10 = 3 × 7/10 × 7 = 21/70
  4. Add the two fractions:
    50/70 + 21/70 = 50 + 21/70 = 71/70
  5. So, 5/7 + 3/10 = 71/70
    In mixed form: 11/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com