Add 3/12 and 45/25
1st number: 3/12, 2nd number: 1 20/25
3/12 + 45/25 is 41/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 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 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300 - Add the two like fractions:
75/300 + 540/300 = 75 + 540/300 = 615/300 - 615/300 simplified gives 41/20
- So, 3/12 + 45/25 = 41/20
In mixed form: 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+45/25 3/12+90/25 3/24+45/25 3/12+45/50 9/12+45/25 3/36+45/25 3/12+45/75 15/12+45/25 3/60+45/25 21/12+45/25 3/84+45/25