Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/90 and 54/42

1st number: 36/90, 2nd number: 1 12/42

36/90 + 54/42 is 59/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    36/90 = 36 × 7/90 × 7 = 252/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    54/42 = 54 × 15/42 × 15 = 810/630
  4. Add the two like fractions:
    252/630 + 810/630 = 252 + 810/630 = 1062/630
  5. 1062/630 simplified gives 59/35
  6. So, 36/90 + 54/42 = 59/35
    In mixed form: 124/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com