Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/70 and 50/12

1st number: 45/70, 2nd number: 4 2/12

45/70 + 50/12 is 101/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    45/70 = 45 × 6/70 × 6 = 270/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    50/12 = 50 × 35/12 × 35 = 1750/420
  4. Add the two like fractions:
    270/420 + 1750/420 = 270 + 1750/420 = 2020/420
  5. 2020/420 simplified gives 101/21
  6. So, 45/70 + 50/12 = 101/21
    In mixed form: 417/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com