Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/90 and 54/28

1st number: 7/90, 2nd number: 1 26/28

7/90 + 54/28 is 632/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 28 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    7/90 = 7 × 14/90 × 14 = 98/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    54/28 = 54 × 45/28 × 45 = 2430/1260
  4. Add the two like fractions:
    98/1260 + 2430/1260 = 98 + 2430/1260 = 2528/1260
  5. 2528/1260 simplified gives 632/315
  6. So, 7/90 + 54/28 = 632/315
    In mixed form: 22/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com