Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/42 and 40/4

1st number: 1 6/42, 2nd number: 10 0/4

48/42 + 40/4 is 78/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    48/42 = 48 × 2/42 × 2 = 96/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    40/4 = 40 × 21/4 × 21 = 840/84
  4. Add the two like fractions:
    96/84 + 840/84 = 96 + 840/84 = 936/84
  5. 936/84 simplified gives 78/7
  6. So, 48/42 + 40/4 = 78/7
    In mixed form: 111/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com