Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/54 and 42/40

1st number: 25/54, 2nd number: 1 2/40

25/54 + 42/40 is 817/540.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    25/54 = 25 × 20/54 × 20 = 500/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    42/40 = 42 × 27/40 × 27 = 1134/1080
  4. Add the two like fractions:
    500/1080 + 1134/1080 = 500 + 1134/1080 = 1634/1080
  5. 1634/1080 simplified gives 817/540
  6. So, 25/54 + 42/40 = 817/540
    In mixed form: 1277/540

MathStep (Works offline)

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

Related:

© everydaycalculation.com