Add 24/84 and 36/54
24/84 + 36/54 is 20/21.
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,
24/84 = 24 × 9/84 × 9 = 216/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
36/54 = 36 × 14/54 × 14 = 504/756 - Add the two like fractions:
216/756 + 504/756 = 216 + 504/756 = 720/756 - 720/756 simplified gives 20/21
- So, 24/84 + 36/54 = 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/84+36/54 24/84+72/54 72/84+36/54