Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/49 and 9/20

1st number: 1 21/49, 2nd number: 9/20

70/49 + 9/20 is 263/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 49 × 20 = 980,
    70/49 = 70 × 20/49 × 20 = 1400/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    9/20 = 9 × 49/20 × 49 = 441/980
  4. Add the two like fractions:
    1400/980 + 441/980 = 1400 + 441/980 = 1841/980
  5. 1841/980 simplified gives 263/140
  6. So, 70/49 + 9/20 = 263/140
    In mixed form: 1123/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com