Add 28/54 and 12/28
28/54 + 12/28 is 179/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
28/54 = 28 × 14/54 × 14 = 392/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
12/28 = 12 × 27/28 × 27 = 324/756 - Add the two like fractions:
392/756 + 324/756 = 392 + 324/756 = 716/756 - 716/756 simplified gives 179/189
- So, 28/54 + 12/28 = 179/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+12/28 28/54+24/28 28/54+12/56 84/54+12/28 28/54+36/28 28/54+12/84 28/54+60/28 28/54+84/28