Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/7 and 21/36

1st number: 4 2/7, 2nd number: 21/36

30/7 + 21/36 is 409/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 7 × 36 = 252,
    30/7 = 30 × 36/7 × 36 = 1080/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    21/36 = 21 × 7/36 × 7 = 147/252
  4. Add the two like fractions:
    1080/252 + 147/252 = 1080 + 147/252 = 1227/252
  5. 1227/252 simplified gives 409/84
  6. So, 30/7 + 21/36 = 409/84
    In mixed form: 473/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com