Add 15/2 and 63/72
1st number: 7 1/2, 2nd number: 63/72
15/2 + 63/72 is 67/8.
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,
15/2 = 15 × 36/2 × 36 = 540/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Add the two like fractions:
540/72 + 63/72 = 540 + 63/72 = 603/72 - 603/72 simplified gives 67/8
- So, 15/2 + 63/72 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+63/72 15/4+63/72 45/2+63/72 15/6+63/72 75/2+63/72 15/10+63/72 15/14+63/72