Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/42 and 54/56

1st number: 2 6/42, 2nd number: 54/56

90/42 + 54/56 is 87/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    90/42 = 90 × 4/42 × 4 = 360/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    54/56 = 54 × 3/56 × 3 = 162/168
  4. Add the two fractions:
    360/168 + 162/168 = 360 + 162/168 = 522/168
  5. 522/168 simplified gives 87/28
  6. So, 90/42 + 54/56 = 87/28
    In mixed form: 33/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com