Add 7/2 and 63/72
1st number: 3 1/2, 2nd number: 63/72
7/2 + 63/72 is 35/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
7/2 = 7 × 36/2 × 36 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Add the two like fractions:
252/72 + 63/72 = 252 + 63/72 = 315/72 - 315/72 simplified gives 35/8
- So, 7/2 + 63/72 = 35/8
In mixed form: 43/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+63/72 7/4+63/72 21/2+63/72 7/6+63/72 35/2+63/72 7/10+63/72 49/2+63/72 7/14+63/72