Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/20 and 72/10

1st number: 10/20, 2nd number: 7 2/10

10/20 + 72/10 is 77/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    10/20 = 10 × 1/20 × 1 = 10/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    72/10 = 72 × 2/10 × 2 = 144/20
  4. Add the two like fractions:
    10/20 + 144/20 = 10 + 144/20 = 154/20
  5. 154/20 simplified gives 77/10
  6. So, 10/20 + 72/10 = 77/10
    In mixed form: 77/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com