Add 72/24 and 30/63
1st number: 3 0/24, 2nd number: 30/63
72/24 + 30/63 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
72/24 = 72 × 21/24 × 21 = 1512/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
30/63 = 30 × 8/63 × 8 = 240/504 - Add the two like fractions:
1512/504 + 240/504 = 1512 + 240/504 = 1752/504 - 1752/504 simplified gives 73/21
- So, 72/24 + 30/63 = 73/21
In mixed form: 310/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+60/63 72/48+30/63 72/24+90/63