Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/5 and 18/84

1st number: 16 4/5, 2nd number: 18/84

84/5 + 18/84 is 1191/70.

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,
    84/5 = 84 × 84/5 × 84 = 7056/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    18/84 = 18 × 5/84 × 5 = 90/420
  4. Add the two like fractions:
    7056/420 + 90/420 = 7056 + 90/420 = 7146/420
  5. 7146/420 simplified gives 1191/70
  6. So, 84/5 + 18/84 = 1191/70
    In mixed form: 171/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com