Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/28 and 9/45

7/28 + 9/45 is 9/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    9/45 = 9 × 28/45 × 28 = 252/1260
  4. Add the two like fractions:
    315/1260 + 252/1260 = 315 + 252/1260 = 567/1260
  5. 567/1260 simplified gives 9/20
  6. So, 7/28 + 9/45 = 9/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com