Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/54 and 5/7

42/54 + 5/7 is 94/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    5/7 = 5 × 54/7 × 54 = 270/378
  4. Add the two like fractions:
    294/378 + 270/378 = 294 + 270/378 = 564/378
  5. 564/378 simplified gives 94/63
  6. So, 42/54 + 5/7 = 94/63
    In mixed form: 131/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com