Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 49/70 and 15/40

49/70 + 15/40 is 43/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    49/70 = 49 × 4/70 × 4 = 196/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    15/40 = 15 × 7/40 × 7 = 105/280
  4. Add the two like fractions:
    196/280 + 105/280 = 196 + 105/280 = 301/280
  5. 301/280 simplified gives 43/40
  6. So, 49/70 + 15/40 = 43/40
    In mixed form: 13/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com