Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/40 and 70/42

1st number: 14/40, 2nd number: 1 28/42

14/40 + 70/42 is 121/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    14/40 = 14 × 21/40 × 21 = 294/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    70/42 = 70 × 20/42 × 20 = 1400/840
  4. Add the two like fractions:
    294/840 + 1400/840 = 294 + 1400/840 = 1694/840
  5. 1694/840 simplified gives 121/60
  6. So, 14/40 + 70/42 = 121/60
    In mixed form: 21/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com