Add 45/12 and 75/6
1st number: 3 9/12, 2nd number: 12 3/6
45/12 + 75/6 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
75/6 = 75 × 2/6 × 2 = 150/12 - Add the two like fractions:
45/12 + 150/12 = 45 + 150/12 = 195/12 - 195/12 simplified gives 65/4
- So, 45/12 + 75/6 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+75/6 45/24+75/6 45/12+75/12 45/36+75/6 45/12+75/18 45/60+75/6 45/12+75/30 45/84+75/6 45/12+75/42