Add 7/54 and 12/84
7/54 + 12/84 is 103/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
7/54 = 7 × 14/54 × 14 = 98/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
12/84 = 12 × 9/84 × 9 = 108/756 - Add the two like fractions:
98/756 + 108/756 = 98 + 108/756 = 206/756 - 206/756 simplified gives 103/378
- So, 7/54 + 12/84 = 103/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54+12/84 7/54+24/84 21/54+12/84 7/54+36/84 35/54+12/84 7/54+60/84 49/54+12/84