Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/42 and 12/7

1st number: 1/42, 2nd number: 1 5/7

1/42 + 12/7 is 73/42.

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,
    1/42 = 1 × 1/42 × 1 = 1/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    12/7 = 12 × 6/7 × 6 = 72/42
  4. Add the two like fractions:
    1/42 + 72/42 = 1 + 72/42 = 73/42
  5. So, 1/42 + 12/7 = 73/42
    In mixed form: 131/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com