Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/10 and 84/72

1st number: 2 0/10, 2nd number: 1 12/72

20/10 + 84/72 is 19/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360
  2. For the 1st fraction, since 10 × 36 = 360,
    20/10 = 20 × 36/10 × 36 = 720/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two fractions:
    720/360 + 420/360 = 720 + 420/360 = 1140/360
  5. 1140/360 simplified gives 19/6
  6. So, 20/10 + 84/72 = 19/6
    In mixed form: 31/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com