Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/30 and 84/12

1st number: 1 10/30, 2nd number: 7 0/12

40/30 + 84/12 is 25/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    40/30 = 40 × 2/30 × 2 = 80/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    84/12 = 84 × 5/12 × 5 = 420/60
  4. Add the two like fractions:
    80/60 + 420/60 = 80 + 420/60 = 500/60
  5. 500/60 simplified gives 25/3
  6. So, 40/30 + 84/12 = 25/3
    In mixed form: 81/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com