Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/72 and 6/10

21/72 + 6/10 is 107/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    6/10 = 6 × 36/10 × 36 = 216/360
  4. Add the two fractions:
    105/360 + 216/360 = 105 + 216/360 = 321/360
  5. After reducing the fraction, the answer is 107/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com