Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/14 and 30/12

1st number: 3 0/14, 2nd number: 2 6/12

42/14 + 30/12 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    30/12 = 30 × 7/12 × 7 = 210/84
  4. Add the two like fractions:
    252/84 + 210/84 = 252 + 210/84 = 462/84
  5. 462/84 simplified gives 11/2
  6. So, 42/14 + 30/12 = 11/2
    In mixed form: 51/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com