Add 24/72 and 30/63
24/72 + 30/63 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
24/72 = 24 × 7/72 × 7 = 168/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
30/63 = 30 × 8/63 × 8 = 240/504 - Add the two like fractions:
168/504 + 240/504 = 168 + 240/504 = 408/504 - 408/504 simplified gives 17/21
- So, 24/72 + 30/63 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/72+30/63 24/72+60/63 24/72+90/63