Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 81/45 and 30/81

1st number: 1 36/45, 2nd number: 30/81

81/45 + 30/81 is 293/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405
  2. For the 1st fraction, since 45 × 9 = 405,
    81/45 = 81 × 9/45 × 9 = 729/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    30/81 = 30 × 5/81 × 5 = 150/405
  4. Add the two fractions:
    729/405 + 150/405 = 729 + 150/405 = 879/405
  5. After reducing the fraction, the answer is 293/135
  6. In mixed form: 223/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com