Add 24/84 and 15/72
24/84 + 15/72 is 83/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
24/84 = 24 × 6/84 × 6 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
144/504 + 105/504 = 144 + 105/504 = 249/504 - 249/504 simplified gives 83/168
- So, 24/84 + 15/72 = 83/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/84+15/72 24/84+30/72 72/84+15/72 24/84+45/72 24/84+75/72