Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/42 and 27/56

1st number: 2 6/42, 2nd number: 27/56

90/42 + 27/56 is 21/8.

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,
    27/56 = 27 × 3/56 × 3 = 81/168
  4. Add the two fractions:
    360/168 + 81/168 = 360 + 81/168 = 441/168
  5. 441/168 simplified gives 21/8
  6. So, 90/42 + 27/56 = 21/8
    In mixed form: 25/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com