Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/14 and 21/54

1st number: 5 10/14, 2nd number: 21/54

80/14 + 21/54 is 769/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 14 × 27 = 378,
    80/14 = 80 × 27/14 × 27 = 2160/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    21/54 = 21 × 7/54 × 7 = 147/378
  4. Add the two like fractions:
    2160/378 + 147/378 = 2160 + 147/378 = 2307/378
  5. 2307/378 simplified gives 769/126
  6. So, 80/14 + 21/54 = 769/126
    In mixed form: 613/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com