Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/5 and 42/70

1st number: 10 4/5, 2nd number: 42/70

54/5 + 42/70 is 57/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 5 × 14 = 70,
    54/5 = 54 × 14/5 × 14 = 756/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    42/70 = 42 × 1/70 × 1 = 42/70
  4. Add the two like fractions:
    756/70 + 42/70 = 756 + 42/70 = 798/70
  5. 798/70 simplified gives 57/5
  6. So, 54/5 + 42/70 = 57/5
    In mixed form: 112/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com