Add 28/84 and 7/54
28/84 + 7/54 is 25/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
28/84 = 28 × 9/84 × 9 = 252/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
7/54 = 7 × 14/54 × 14 = 98/756 - Add the two like fractions:
252/756 + 98/756 = 252 + 98/756 = 350/756 - 350/756 simplified gives 25/54
- So, 28/84 + 7/54 = 25/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+7/54 28/84+14/54 28/84+21/54 28/84+35/54 28/84+49/54