Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 42/30 and 3/12

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

42/30 + 3/12 is 33/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 12 is 60
  2. For the 1st fraction, since 30 × 2 = 60,
    42/30 = 42 × 2/30 × 2 = 84/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Add the two fractions:
    84/60 + 15/60 = 84 + 15/60 = 99/60
  5. After reducing the fraction, the answer is 33/20
  6. In mixed form: 113/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com