Add 9/12 and 3/63
9/12 + 3/63 is 67/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
9/12 = 9 × 21/12 × 21 = 189/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Add the two like fractions:
189/252 + 12/252 = 189 + 12/252 = 201/252 - 201/252 simplified gives 67/84
- So, 9/12 + 3/63 = 67/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+3/63 9/12+6/63 9/24+3/63 27/12+3/63 9/12+9/63 9/36+3/63 45/12+3/63 9/12+15/63 9/60+3/63 63/12+3/63 9/12+21/63 9/84+3/63