Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/75 and 60/81

20/75 + 60/81 is 136/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 81 is 2025

    Next, find the equivalent fraction of both fractional numbers with denominator 2025
  2. For the 1st fraction, since 75 × 27 = 2025,
    20/75 = 20 × 27/75 × 27 = 540/2025
  3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
    60/81 = 60 × 25/81 × 25 = 1500/2025
  4. Add the two like fractions:
    540/2025 + 1500/2025 = 540 + 1500/2025 = 2040/2025
  5. 2040/2025 simplified gives 136/135
  6. So, 20/75 + 60/81 = 136/135
    In mixed form: 11/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com