Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/30 and 84/42

1st number: 1 18/30, 2nd number: 2 0/42

48/30 + 84/42 is 18/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    48/30 = 48 × 7/30 × 7 = 336/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    84/42 = 84 × 5/42 × 5 = 420/210
  4. Add the two like fractions:
    336/210 + 420/210 = 336 + 420/210 = 756/210
  5. 756/210 simplified gives 18/5
  6. So, 48/30 + 84/42 = 18/5
    In mixed form: 33/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com