Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/60 and 54/70

42/60 + 54/70 is 103/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    42/60 = 42 × 7/60 × 7 = 294/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    54/70 = 54 × 6/70 × 6 = 324/420
  4. Add the two like fractions:
    294/420 + 324/420 = 294 + 324/420 = 618/420
  5. 618/420 simplified gives 103/70
  6. So, 42/60 + 54/70 = 103/70
    In mixed form: 133/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com