Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/70 and 90/8

1st number: 45/70, 2nd number: 11 2/8

45/70 + 90/8 is 333/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    45/70 = 45 × 4/70 × 4 = 180/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    90/8 = 90 × 35/8 × 35 = 3150/280
  4. Add the two like fractions:
    180/280 + 3150/280 = 180 + 3150/280 = 3330/280
  5. 3330/280 simplified gives 333/28
  6. So, 45/70 + 90/8 = 333/28
    In mixed form: 1125/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com