Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 18/4 and 42/8

1st number: 4 2/4, 2nd number: 5 2/8

18/4 + 42/8 is 39/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8
  2. For the 1st fraction, since 4 × 2 = 8,
    18/4 = 18 × 2/4 × 2 = 36/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    42/8 = 42 × 1/8 × 1 = 42/8
  4. Add the two fractions:
    36/8 + 42/8 = 36 + 42/8 = 78/8
  5. After reducing the fraction, the answer is 39/4
  6. In mixed form: 93/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com