Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/40 and 35/70

7/40 + 35/70 is 27/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    7/40 = 7 × 7/40 × 7 = 49/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    35/70 = 35 × 4/70 × 4 = 140/280
  4. Add the two like fractions:
    49/280 + 140/280 = 49 + 140/280 = 189/280
  5. 189/280 simplified gives 27/40
  6. So, 7/40 + 35/70 = 27/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com