Add 25/54 and 42/84
25/54 + 42/84 is 26/27.
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,
25/54 = 25 × 14/54 × 14 = 350/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
42/84 = 42 × 9/84 × 9 = 378/756 - Add the two like fractions:
350/756 + 378/756 = 350 + 378/756 = 728/756 - 728/756 simplified gives 26/27
- So, 25/54 + 42/84 = 26/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54+42/84 75/54+42/84