Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/5 and 3/84

1st number: 18 0/5, 2nd number: 3/84

90/5 + 3/84 is 505/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    90/5 = 90 × 84/5 × 84 = 7560/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    3/84 = 3 × 5/84 × 5 = 15/420
  4. Add the two like fractions:
    7560/420 + 15/420 = 7560 + 15/420 = 7575/420
  5. 7575/420 simplified gives 505/28
  6. So, 90/5 + 3/84 = 505/28
    In mixed form: 181/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com