Add 27/12 and 4/7
1st number: 2 3/12, 2nd number: 4/7
27/12 + 4/7 is 79/28.
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,
27/12 = 27 × 7/12 × 7 = 189/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
4/7 = 4 × 12/7 × 12 = 48/84 - Add the two like fractions:
189/84 + 48/84 = 189 + 48/84 = 237/84 - 237/84 simplified gives 79/28
- So, 27/12 + 4/7 = 79/28
In mixed form: 223/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+4/7 27/12+8/7 27/24+4/7 27/12+4/14 81/12+4/7 27/12+12/7 27/36+4/7 27/12+4/21 27/12+20/7 27/60+4/7 27/12+4/35 27/12+28/7 27/84+4/7 27/12+4/49