Add 15/84 and 28/54
15/84 + 28/54 is 527/756.
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,
15/84 = 15 × 9/84 × 9 = 135/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
28/54 = 28 × 14/54 × 14 = 392/756 - Add the two like fractions:
135/756 + 392/756 = 135 + 392/756 = 527/756 - So, 15/84 + 28/54 = 527/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+28/54 15/84+56/54 45/84+28/54 15/84+84/54 75/84+28/54