Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/25 and 70/81

1st number: 3 6/25, 2nd number: 70/81

81/25 + 70/81 is 8311/2025.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 81 is 2025

    Next, find the equivalent fraction of both fractional numbers with denominator 2025
  2. For the 1st fraction, since 25 × 81 = 2025,
    81/25 = 81 × 81/25 × 81 = 6561/2025
  3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
    70/81 = 70 × 25/81 × 25 = 1750/2025
  4. Add the two like fractions:
    6561/2025 + 1750/2025 = 6561 + 1750/2025 = 8311/2025
  5. So, 81/25 + 70/81 = 8311/2025
    In mixed form: 4211/2025

MathStep (Works offline)

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

Related:

© everydaycalculation.com