Add 63/72 and 15/9
1st number: 63/72, 2nd number: 1 6/9
63/72 + 15/9 is 61/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
15/9 = 15 × 8/9 × 8 = 120/72 - Add the two like fractions:
63/72 + 120/72 = 63 + 120/72 = 183/72 - 183/72 simplified gives 61/24
- So, 63/72 + 15/9 = 61/24
In mixed form: 213/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/72+30/9 63/72+15/18 63/72+45/9 63/72+15/27 63/72+75/9 63/72+15/45 63/72+15/63