Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/80 and 5/84

1st number: 1 10/80, 2nd number: 5/84

90/80 + 5/84 is 199/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 84 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    90/80 = 90 × 21/80 × 21 = 1890/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    5/84 = 5 × 20/84 × 20 = 100/1680
  4. Add the two like fractions:
    1890/1680 + 100/1680 = 1890 + 100/1680 = 1990/1680
  5. 1990/1680 simplified gives 199/168
  6. So, 90/80 + 5/84 = 199/168
    In mixed form: 131/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com