Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/50 and 90/84

1st number: 45/50, 2nd number: 1 6/84

45/50 + 90/84 is 69/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 50 × 42 = 2100,
    45/50 = 45 × 42/50 × 42 = 1890/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    90/84 = 90 × 25/84 × 25 = 2250/2100
  4. Add the two like fractions:
    1890/2100 + 2250/2100 = 1890 + 2250/2100 = 4140/2100
  5. 4140/2100 simplified gives 69/35
  6. So, 45/50 + 90/84 = 69/35
    In mixed form: 134/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com