Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/8 and 30/42

3/8 + 30/42 is 61/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 42 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    3/8 = 3 × 21/8 × 21 = 63/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    30/42 = 30 × 4/42 × 4 = 120/168
  4. Add the two like fractions:
    63/168 + 120/168 = 63 + 120/168 = 183/168
  5. 183/168 simplified gives 61/56
  6. So, 3/8 + 30/42 = 61/56
    In mixed form: 15/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com