Add 15/12 and 63/4
1st number: 1 3/12, 2nd number: 15 3/4
15/12 + 63/4 is 17/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
63/4 = 63 × 3/4 × 3 = 189/12 - Add the two like fractions:
15/12 + 189/12 = 15 + 189/12 = 204/12 - 204/12 simplified gives 17/1
- So, 15/12 + 63/4 = 17/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+63/4 15/24+63/4 15/12+63/8 45/12+63/4 15/36+63/4 15/12+63/12 75/12+63/4 15/60+63/4 15/12+63/20 15/84+63/4 15/12+63/28