Add 3/12 and 15/63
3/12 + 15/63 is 41/84.
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,
3/12 = 3 × 21/12 × 21 = 63/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
63/252 + 60/252 = 63 + 60/252 = 123/252 - 123/252 simplified gives 41/84
- So, 3/12 + 15/63 = 41/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+15/63 3/12+30/63 3/24+15/63 9/12+15/63 3/12+45/63 3/36+15/63 15/12+15/63 3/12+75/63 3/60+15/63 21/12+15/63 3/84+15/63