Add 12/84 and 25/54
12/84 + 25/54 is 229/378.
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,
12/84 = 12 × 9/84 × 9 = 108/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
25/54 = 25 × 14/54 × 14 = 350/756 - Add the two like fractions:
108/756 + 350/756 = 108 + 350/756 = 458/756 - 458/756 simplified gives 229/378
- So, 12/84 + 25/54 = 229/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+25/54 12/84+50/54 36/84+25/54 12/84+75/54 60/84+25/54