Answers

Add 48/81 and 54/20

1^st number: 48/81, 2^nd number: 2 14/20

48/81 + 54/20 is 889/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 20 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   48/81 = 48 × 20/81 × 20 = 960/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   54/20 = 54 × 81/20 × 81 = 4374/1620
4. Add the two like fractions:
   960/1620 + 4374/1620 = 960 + 4374/1620 = 5334/1620
5. 5334/1620 simplified gives 889/270
6. So, 48/81 + 54/20 = 889/270
   In mixed form: 379/270

MathStep (Works offline)

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

Related: ⁹⁶/₈₁+⁵⁴/₂₀ ⁴⁸/₈₁+⁵⁴/₄₀ ⁴⁸/₈₁+⁵⁴/₆₀

Add Fractions Calculator