Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/42 and 7/9

10/42 + 7/9 is 64/63.

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,
    10/42 = 10 × 3/42 × 3 = 30/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    7/9 = 7 × 14/9 × 14 = 98/126
  4. Add the two like fractions:
    30/126 + 98/126 = 30 + 98/126 = 128/126
  5. 128/126 simplified gives 64/63
  6. So, 10/42 + 7/9 = 64/63
    In mixed form: 11/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com