Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/16 and 7/40

1st number: 2 10/16, 2nd number: 7/40

42/16 + 7/40 is 14/5.

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,
    7/40 = 7 × 2/40 × 2 = 14/80
  4. Add the two like fractions:
    210/80 + 14/80 = 210 + 14/80 = 224/80
  5. 224/80 simplified gives 14/5
  6. So, 42/16 + 7/40 = 14/5
    In mixed form: 24/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com