Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/12 and 90/45

1st number: 4/12, 2nd number: 2 0/45

4/12 + 90/45 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    4/12 = 4 × 15/12 × 15 = 60/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    90/45 = 90 × 4/45 × 4 = 360/180
  4. Add the two like fractions:
    60/180 + 360/180 = 60 + 360/180 = 420/180
  5. 420/180 simplified gives 7/3
  6. So, 4/12 + 90/45 = 7/3
    In mixed form: 21/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com