Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 49/21 and 21/45

1st number: 2 7/21, 2nd number: 21/45

49/21 + 21/45 is 14/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315
  2. For the 1st fraction, since 21 × 15 = 315,
    49/21 = 49 × 15/21 × 15 = 735/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    21/45 = 21 × 7/45 × 7 = 147/315
  4. Add the two fractions:
    735/315 + 147/315 = 735 + 147/315 = 882/315
  5. After reducing the fraction, the answer is 14/5
  6. In mixed form: 24/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com