Add 3/12 and 75/7
1st number: 3/12, 2nd number: 10 5/7
3/12 + 75/7 is 307/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
75/7 = 75 × 12/7 × 12 = 900/84 - Add the two like fractions:
21/84 + 900/84 = 21 + 900/84 = 921/84 - 921/84 simplified gives 307/28
- So, 3/12 + 75/7 = 307/28
In mixed form: 1027/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+75/7 3/24+75/7 3/12+75/14 9/12+75/7 3/36+75/7 3/12+75/21 15/12+75/7 3/60+75/7 3/12+75/35 21/12+75/7 3/84+75/7 3/12+75/49