Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/30 and 42/9

1st number: 1 15/30, 2nd number: 4 6/9

45/30 + 42/9 is 37/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    45/30 = 45 × 3/30 × 3 = 135/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    42/9 = 42 × 10/9 × 10 = 420/90
  4. Add the two like fractions:
    135/90 + 420/90 = 135 + 420/90 = 555/90
  5. 555/90 simplified gives 37/6
  6. So, 45/30 + 42/9 = 37/6
    In mixed form: 61/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com