Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/16 and 70/40

1st number: 2 10/16, 2nd number: 1 30/40

42/16 + 70/40 is 35/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 40 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
    70/40 = 70 × 2/40 × 2 = 140/80
  4. Add the two like fractions:
    210/80 + 140/80 = 210 + 140/80 = 350/80
  5. 350/80 simplified gives 35/8
  6. So, 42/16 + 70/40 = 35/8
    In mixed form: 43/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com