Add 24/81 and 56/20
1st number: 24/81, 2nd number: 2 16/20
24/81 + 56/20 is 418/135.
Steps for adding fractions
- 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 - For the 1st fraction, since 81 × 20 = 1620,
24/81 = 24 × 20/81 × 20 = 480/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
56/20 = 56 × 81/20 × 81 = 4536/1620 - Add the two like fractions:
480/1620 + 4536/1620 = 480 + 4536/1620 = 5016/1620 - 5016/1620 simplified gives 418/135
- So, 24/81 + 56/20 = 418/135
In mixed form: 313/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/81+56/20 24/81+56/40 72/81+56/20 24/81+56/60