Add 75/27 and 63/84
1st number: 2 21/27, 2nd number: 63/84
75/27 + 63/84 is 127/36.
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,
75/27 = 75 × 28/27 × 28 = 2100/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
63/84 = 63 × 9/84 × 9 = 567/756 - Add the two like fractions:
2100/756 + 567/756 = 2100 + 567/756 = 2667/756 - 2667/756 simplified gives 127/36
- So, 75/27 + 63/84 = 127/36
In mixed form: 319/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/54+63/84 75/81+63/84