Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/4 and 42/45

1st number: 22 2/4, 2nd number: 42/45

90/4 + 42/45 is 703/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 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 45 × 4 = 180,
    42/45 = 42 × 4/45 × 4 = 168/180
  4. Add the two like fractions:
    4050/180 + 168/180 = 4050 + 168/180 = 4218/180
  5. 4218/180 simplified gives 703/30
  6. So, 90/4 + 42/45 = 703/30
    In mixed form: 2313/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com