Add 3/27 and 63/84
3/27 + 63/84 is 31/36.
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,
3/27 = 3 × 28/27 × 28 = 84/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
63/84 = 63 × 9/84 × 9 = 567/756 - Add the two like fractions:
84/756 + 567/756 = 84 + 567/756 = 651/756 - 651/756 simplified gives 31/36
- So, 3/27 + 63/84 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27+63/84 3/54+63/84 9/27+63/84 3/81+63/84 15/27+63/84 21/27+63/84