Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/40 and 3/84

1st number: 1 14/40, 2nd number: 3/84

54/40 + 3/84 is 97/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    54/40 = 54 × 21/40 × 21 = 1134/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    3/84 = 3 × 10/84 × 10 = 30/840
  4. Add the two like fractions:
    1134/840 + 30/840 = 1134 + 30/840 = 1164/840
  5. 1164/840 simplified gives 97/70
  6. So, 54/40 + 3/84 = 97/70
    In mixed form: 127/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com