Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/20 and 21/48

1st number: 4 0/20, 2nd number: 21/48

80/20 + 21/48 is 71/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 48 is 240
  2. For the 1st fraction, since 20 × 12 = 240,
    80/20 = 80 × 12/20 × 12 = 960/240
  3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
    21/48 = 21 × 5/48 × 5 = 105/240
  4. Add the two fractions:
    960/240 + 105/240 = 960 + 105/240 = 1065/240
  5. After reducing the fraction, the answer is 71/16
  6. In mixed form: 47/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com