Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/42 and 90/9

1st number: 5/42, 2nd number: 10 0/9

5/42 + 90/9 is 425/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    5/42 = 5 × 3/42 × 3 = 15/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    90/9 = 90 × 14/9 × 14 = 1260/126
  4. Add the two like fractions:
    15/126 + 1260/126 = 15 + 1260/126 = 1275/126
  5. 1275/126 simplified gives 425/42
  6. So, 5/42 + 90/9 = 425/42
    In mixed form: 105/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com