Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/16 and 7/10

1st number: 1 5/16, 2nd number: 7/10

21/16 + 7/10 is 161/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    21/16 = 21 × 5/16 × 5 = 105/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    7/10 = 7 × 8/10 × 8 = 56/80
  4. Add the two like fractions:
    105/80 + 56/80 = 105 + 56/80 = 161/80
  5. So, 21/16 + 7/10 = 161/80
    In mixed form: 21/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com