Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/28 and 4/45

7/28 + 4/45 is 61/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    7/28 = 7 × 45/28 × 45 = 315/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    4/45 = 4 × 28/45 × 28 = 112/1260
  4. Add the two fractions:
    315/1260 + 112/1260 = 315 + 112/1260 = 427/1260
  5. 427/1260 simplified gives 61/180
  6. So, 7/28 + 4/45 = 61/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com