Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 42/14 and 15/12

1st number: 3 0/14, 2nd number: 1 3/12

42/14 + 15/12 is 17/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 12 is 84
  2. For the 1st fraction, since 14 × 6 = 84,
    42/14 = 42 × 6/14 × 6 = 252/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    15/12 = 15 × 7/12 × 7 = 105/84
  4. Add the two fractions:
    252/84 + 105/84 = 252 + 105/84 = 357/84
  5. After reducing the fraction, the answer is 17/4
  6. In mixed form: 41/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com