Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/4 and 42/30

1st number: 3/4, 2nd number: 1 12/30

3/4 + 42/30 is 43/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    3/4 = 3 × 15/4 × 15 = 45/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    42/30 = 42 × 2/30 × 2 = 84/60
  4. Add the two like fractions:
    45/60 + 84/60 = 45 + 84/60 = 129/60
  5. 129/60 simplified gives 43/20
  6. So, 3/4 + 42/30 = 43/20
    In mixed form: 23/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com