Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 72/6 and 18/42

1st number: 12 0/6, 2nd number: 18/42

72/6 + 18/42 is 87/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 42 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    72/6 = 72 × 7/6 × 7 = 504/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    18/42 = 18 × 1/42 × 1 = 18/42
  4. Add the two fractions:
    504/42 + 18/42 = 504 + 18/42 = 522/42
  5. After reducing the fraction, the answer is 87/7
  6. In mixed form: 123/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com