Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/7 and 70/40

1st number: 1 3/7, 2nd number: 1 30/40

10/7 + 70/40 is 89/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    10/7 = 10 × 40/7 × 40 = 400/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    70/40 = 70 × 7/40 × 7 = 490/280
  4. Add the two like fractions:
    400/280 + 490/280 = 400 + 490/280 = 890/280
  5. 890/280 simplified gives 89/28
  6. So, 10/7 + 70/40 = 89/28
    In mixed form: 35/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com