Add 12/28 and 25/27
12/28 + 25/27 is 256/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
12/28 = 12 × 27/28 × 27 = 324/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
25/27 = 25 × 28/27 × 28 = 700/756 - Add the two like fractions:
324/756 + 700/756 = 324 + 700/756 = 1024/756 - 1024/756 simplified gives 256/189
- So, 12/28 + 25/27 = 256/189
In mixed form: 167/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+25/27 12/28+50/27 12/56+25/27 12/28+25/54 36/28+25/27 12/28+75/27 12/84+25/27 12/28+25/81 60/28+25/27 84/28+25/27