Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/4 and 42/90

1st number: 22 2/4, 2nd number: 42/90

90/4 + 42/90 is 689/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    90/4 = 90 × 45/4 × 45 = 4050/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    42/90 = 42 × 2/90 × 2 = 84/180
  4. Add the two like fractions:
    4050/180 + 84/180 = 4050 + 84/180 = 4134/180
  5. 4134/180 simplified gives 689/30
  6. So, 90/4 + 42/90 = 689/30
    In mixed form: 2229/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com