Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/45 and 27/8

1st number: 20/45, 2nd number: 3 3/8

20/45 + 27/8 is 275/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 8 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    20/45 = 20 × 8/45 × 8 = 160/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    27/8 = 27 × 45/8 × 45 = 1215/360
  4. Add the two fractions:
    160/360 + 1215/360 = 160 + 1215/360 = 1375/360
  5. After reducing the fraction, the answer is 275/72
  6. In mixed form: 359/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com