Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/90 and 8/7

1st number: 45/90, 2nd number: 1 1/7

45/90 + 8/7 is 23/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    45/90 = 45 × 7/90 × 7 = 315/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    8/7 = 8 × 90/7 × 90 = 720/630
  4. Add the two fractions:
    315/630 + 720/630 = 315 + 720/630 = 1035/630
  5. 1035/630 simplified gives 23/14
  6. So, 45/90 + 8/7 = 23/14
    In mixed form: 19/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com