Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/2 and 20/35

1st number: 3 1/2, 2nd number: 20/35

7/2 + 20/35 is 57/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 35 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 2 × 35 = 70,
    7/2 = 7 × 35/2 × 35 = 245/70
  3. Likewise, for the 2nd fraction, since 35 × 2 = 70,
    20/35 = 20 × 2/35 × 2 = 40/70
  4. Add the two like fractions:
    245/70 + 40/70 = 245 + 40/70 = 285/70
  5. 285/70 simplified gives 57/14
  6. So, 7/2 + 20/35 = 57/14
    In mixed form: 41/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com