Add 1/27 and 12/28
1/27 + 12/28 is 88/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
1/27 = 1 × 28/27 × 28 = 28/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
12/28 = 12 × 27/28 × 27 = 324/756 - Add the two like fractions:
28/756 + 324/756 = 28 + 324/756 = 352/756 - 352/756 simplified gives 88/189
- So, 1/27 + 12/28 = 88/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27+12/28 1/27+24/28 1/54+12/28 1/27+12/56 3/27+12/28 1/27+36/28 1/81+12/28 1/27+12/84 5/27+12/28 1/27+60/28 7/27+12/28 1/27+84/28