Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/42 and 4/7

1st number: 2 0/42, 2nd number: 4/7

84/42 + 4/7 is 18/7.

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,
    84/42 = 84 × 1/42 × 1 = 84/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    4/7 = 4 × 6/7 × 6 = 24/42
  4. Add the two like fractions:
    84/42 + 24/42 = 84 + 24/42 = 108/42
  5. 108/42 simplified gives 18/7
  6. So, 84/42 + 4/7 = 18/7
    In mixed form: 24/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com