Add 56/84 and 15/54
56/84 + 15/54 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
56/84 = 56 × 9/84 × 9 = 504/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
15/54 = 15 × 14/54 × 14 = 210/756 - Add the two like fractions:
504/756 + 210/756 = 504 + 210/756 = 714/756 - 714/756 simplified gives 17/18
- So, 56/84 + 15/54 = 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+30/54 56/84+45/54 56/84+75/54