Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/25 and 42/54

1st number: 3 6/25, 2nd number: 42/54

81/25 + 42/54 is 904/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 54 is 1350

    Next, find the equivalent fraction of both fractional numbers with denominator 1350
  2. For the 1st fraction, since 25 × 54 = 1350,
    81/25 = 81 × 54/25 × 54 = 4374/1350
  3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
    42/54 = 42 × 25/54 × 25 = 1050/1350
  4. Add the two like fractions:
    4374/1350 + 1050/1350 = 4374 + 1050/1350 = 5424/1350
  5. 5424/1350 simplified gives 904/225
  6. So, 81/25 + 42/54 = 904/225
    In mixed form: 44/225

MathStep (Works offline)

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

Related:

© everydaycalculation.com