Add 7/27 and 63/84
7/27 + 63/84 is 109/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
7/27 = 7 × 28/27 × 28 = 196/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
63/84 = 63 × 9/84 × 9 = 567/756 - Add the two like fractions:
196/756 + 567/756 = 196 + 567/756 = 763/756 - 763/756 simplified gives 109/108
- So, 7/27 + 63/84 = 109/108
In mixed form: 11/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27+63/84 7/54+63/84 21/27+63/84 7/81+63/84 35/27+63/84 49/27+63/84