Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/20 and 3/12

1st number: 2 2/20, 2nd number: 3/12

42/20 + 3/12 is 47/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Add the two like fractions:
    126/60 + 15/60 = 126 + 15/60 = 141/60
  5. 141/60 simplified gives 47/20
  6. So, 42/20 + 3/12 = 47/20
    In mixed form: 27/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com