Add 27/3 and 12/7
1st number: 9 0/3, 2nd number: 1 5/7
27/3 + 12/7 is 75/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
27/3 = 27 × 7/3 × 7 = 189/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
12/7 = 12 × 3/7 × 3 = 36/21 - Add the two like fractions:
189/21 + 36/21 = 189 + 36/21 = 225/21 - 225/21 simplified gives 75/7
- So, 27/3 + 12/7 = 75/7
In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+12/7 27/3+24/7 27/6+12/7 27/3+12/14 81/3+12/7 27/3+36/7 27/9+12/7 27/3+12/21 27/3+60/7 27/15+12/7 27/3+12/35 27/3+84/7 27/21+12/7 27/3+12/49