Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/8 and 42/4

1st number: 2 2/8, 2nd number: 10 2/4

18/8 + 42/4 is 51/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 4 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 8 × 1 = 8,
    18/8 = 18 × 1/8 × 1 = 18/8
  3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
    42/4 = 42 × 2/4 × 2 = 84/8
  4. Add the two like fractions:
    18/8 + 84/8 = 18 + 84/8 = 102/8
  5. 102/8 simplified gives 51/4
  6. So, 18/8 + 42/4 = 51/4
    In mixed form: 123/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com