Add 7/27 and 12/84
7/27 + 12/84 is 76/189.
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,
12/84 = 12 × 9/84 × 9 = 108/756 - Add the two like fractions:
196/756 + 108/756 = 196 + 108/756 = 304/756 - 304/756 simplified gives 76/189
- So, 7/27 + 12/84 = 76/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27+12/84 7/27+24/84 7/54+12/84 21/27+12/84 7/27+36/84 7/81+12/84 35/27+12/84 7/27+60/84 49/27+12/84