Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/5 and 84/12

1st number: 8 2/5, 2nd number: 7 0/12

42/5 + 84/12 is 77/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 5 × 12 = 60,
    42/5 = 42 × 12/5 × 12 = 504/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    84/12 = 84 × 5/12 × 5 = 420/60
  4. Add the two like fractions:
    504/60 + 420/60 = 504 + 420/60 = 924/60
  5. 924/60 simplified gives 77/5
  6. So, 42/5 + 84/12 = 77/5
    In mixed form: 152/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com