Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/42 and 63/7

1st number: 18/42, 2nd number: 9 0/7

18/42 + 63/7 is 66/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    18/42 = 18 × 1/42 × 1 = 18/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    63/7 = 63 × 6/7 × 6 = 378/42
  4. Add the two like fractions:
    18/42 + 378/42 = 18 + 378/42 = 396/42
  5. 396/42 simplified gives 66/7
  6. So, 18/42 + 63/7 = 66/7
    In mixed form: 93/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com