Add 12/28 and 8/27
12/28 + 8/27 is 137/189.
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,
8/27 = 8 × 28/27 × 28 = 224/756 - Add the two like fractions:
324/756 + 224/756 = 324 + 224/756 = 548/756 - 548/756 simplified gives 137/189
- So, 12/28 + 8/27 = 137/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+8/27 12/28+16/27 12/56+8/27 12/28+8/54 36/28+8/27 12/28+24/27 12/84+8/27 12/28+8/81 60/28+8/27 12/28+40/27 84/28+8/27 12/28+56/27