Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/25 and 42/36

1st number: 3 15/25, 2nd number: 1 6/36

90/25 + 42/36 is 143/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 36 is 900

    Next, find the equivalent fraction of both fractional numbers with denominator 900
  2. For the 1st fraction, since 25 × 36 = 900,
    90/25 = 90 × 36/25 × 36 = 3240/900
  3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
    42/36 = 42 × 25/36 × 25 = 1050/900
  4. Add the two like fractions:
    3240/900 + 1050/900 = 3240 + 1050/900 = 4290/900
  5. 4290/900 simplified gives 143/30
  6. So, 90/25 + 42/36 = 143/30
    In mixed form: 423/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com