Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/28 and 50/30

1st number: 1 2/28, 2nd number: 1 20/30

30/28 + 50/30 is 115/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    30/28 = 30 × 15/28 × 15 = 450/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    50/30 = 50 × 14/30 × 14 = 700/420
  4. Add the two like fractions:
    450/420 + 700/420 = 450 + 700/420 = 1150/420
  5. 1150/420 simplified gives 115/42
  6. So, 30/28 + 50/30 = 115/42
    In mixed form: 231/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com