Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/45 and 5/42

30/45 + 5/42 is 11/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    30/45 = 30 × 14/45 × 14 = 420/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    5/42 = 5 × 15/42 × 15 = 75/630
  4. Add the two like fractions:
    420/630 + 75/630 = 420 + 75/630 = 495/630
  5. 495/630 simplified gives 11/14
  6. So, 30/45 + 5/42 = 11/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com