Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/45 and 4/84

30/45 + 4/84 is 5/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    30/45 = 30 × 28/45 × 28 = 840/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    4/84 = 4 × 15/84 × 15 = 60/1260
  4. Add the two like fractions:
    840/1260 + 60/1260 = 840 + 60/1260 = 900/1260
  5. 900/1260 simplified gives 5/7
  6. So, 30/45 + 4/84 = 5/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com