Add 3/12 and 15/75
3/12 + 15/75 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Add the two like fractions:
75/300 + 60/300 = 75 + 60/300 = 135/300 - 135/300 simplified gives 9/20
- So, 3/12 + 15/75 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+15/75 3/12+30/75 3/24+15/75 9/12+15/75 3/12+45/75 3/36+15/75 15/12+15/75 3/60+15/75 21/12+15/75 3/84+15/75