Add 12/54 and 9/84
12/54 + 9/84 is 83/252.
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,
12/54 = 12 × 14/54 × 14 = 168/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
9/84 = 9 × 9/84 × 9 = 81/756 - Add the two like fractions:
168/756 + 81/756 = 168 + 81/756 = 249/756 - 249/756 simplified gives 83/252
- So, 12/54 + 9/84 = 83/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+9/84 12/54+18/84 36/54+9/84 12/54+27/84 60/54+9/84 12/54+45/84 84/54+9/84 12/54+63/84