Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/90 and 12/8

1st number: 25/90, 2nd number: 1 4/8

25/90 + 12/8 is 16/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    25/90 = 25 × 4/90 × 4 = 100/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    12/8 = 12 × 45/8 × 45 = 540/360
  4. Add the two like fractions:
    100/360 + 540/360 = 100 + 540/360 = 640/360
  5. 640/360 simplified gives 16/9
  6. So, 25/90 + 12/8 = 16/9
    In mixed form: 17/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com