Add 15/12 and 63/64
1st number: 1 3/12, 2nd number: 63/64
15/12 + 63/64 is 143/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 12 × 16 = 192,
15/12 = 15 × 16/12 × 16 = 240/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
63/64 = 63 × 3/64 × 3 = 189/192 - Add the two like fractions:
240/192 + 189/192 = 240 + 189/192 = 429/192 - 429/192 simplified gives 143/64
- So, 15/12 + 63/64 = 143/64
In mixed form: 215/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+63/64 15/24+63/64 45/12+63/64 15/36+63/64 75/12+63/64 15/60+63/64 15/84+63/64