Add 63/9 and 30/72
1st number: 7 0/9, 2nd number: 30/72
63/9 + 30/72 is 89/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
63/9 = 63 × 8/9 × 8 = 504/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
504/72 + 30/72 = 504 + 30/72 = 534/72 - 534/72 simplified gives 89/12
- So, 63/9 + 30/72 = 89/12
In mixed form: 75/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9+60/72 63/18+30/72 63/9+90/72 63/27+30/72 63/45+30/72