Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/40 and 20/25

1st number: 1 30/40, 2nd number: 20/25

70/40 + 20/25 is 51/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 25 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 40 × 5 = 200,
    70/40 = 70 × 5/40 × 5 = 350/200
  3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
    20/25 = 20 × 8/25 × 8 = 160/200
  4. Add the two like fractions:
    350/200 + 160/200 = 350 + 160/200 = 510/200
  5. 510/200 simplified gives 51/20
  6. So, 70/40 + 20/25 = 51/20
    In mixed form: 211/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com