Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/8 and 20/45

7/8 + 20/45 is 95/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    7/8 = 7 × 45/8 × 45 = 315/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    20/45 = 20 × 8/45 × 8 = 160/360
  4. Add the two like fractions:
    315/360 + 160/360 = 315 + 160/360 = 475/360
  5. 475/360 simplified gives 95/72
  6. So, 7/8 + 20/45 = 95/72
    In mixed form: 123/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com