Add 12/27 and 30/7
1st number: 12/27, 2nd number: 4 2/7
12/27 + 30/7 is 298/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
30/7 = 30 × 27/7 × 27 = 810/189 - Add the two like fractions:
84/189 + 810/189 = 84 + 810/189 = 894/189 - 894/189 simplified gives 298/63
- So, 12/27 + 30/7 = 298/63
In mixed form: 446/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+30/7 12/27+60/7 12/54+30/7 12/27+30/14 36/27+30/7 12/27+90/7 12/81+30/7 12/27+30/21 60/27+30/7 12/27+30/35 84/27+30/7 12/27+30/49