Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/8 and 3/84

1st number: 11 2/8, 2nd number: 3/84

90/8 + 3/84 is 79/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    90/8 = 90 × 21/8 × 21 = 1890/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    3/84 = 3 × 2/84 × 2 = 6/168
  4. Add the two like fractions:
    1890/168 + 6/168 = 1890 + 6/168 = 1896/168
  5. 1896/168 simplified gives 79/7
  6. So, 90/8 + 3/84 = 79/7
    In mixed form: 112/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com