Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/8 and 30/90

1st number: 10 0/8, 2nd number: 30/90

80/8 + 30/90 is 31/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    80/8 = 80 × 45/8 × 45 = 3600/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    30/90 = 30 × 4/90 × 4 = 120/360
  4. Add the two like fractions:
    3600/360 + 120/360 = 3600 + 120/360 = 3720/360
  5. 3720/360 simplified gives 31/3
  6. So, 80/8 + 30/90 = 31/3
    In mixed form: 101/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com