Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/30 and 8/45

1st number: 1 12/30, 2nd number: 8/45

42/30 + 8/45 is 71/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    42/30 = 42 × 3/30 × 3 = 126/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    8/45 = 8 × 2/45 × 2 = 16/90
  4. Add the two like fractions:
    126/90 + 16/90 = 126 + 16/90 = 142/90
  5. 142/90 simplified gives 71/45
  6. So, 42/30 + 8/45 = 71/45
    In mixed form: 126/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com