Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/5 and 3/18

1st number: 8 2/5, 2nd number: 3/18

42/5 + 3/18 is 257/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    42/5 = 42 × 18/5 × 18 = 756/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    3/18 = 3 × 5/18 × 5 = 15/90
  4. Add the two like fractions:
    756/90 + 15/90 = 756 + 15/90 = 771/90
  5. 771/90 simplified gives 257/30
  6. So, 42/5 + 3/18 = 257/30
    In mixed form: 817/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com