Add 28/7 and 75/27
1st number: 4 0/7, 2nd number: 2 21/27
28/7 + 75/27 is 61/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
28/7 = 28 × 27/7 × 27 = 756/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
75/27 = 75 × 7/27 × 7 = 525/189 - Add the two like fractions:
756/189 + 525/189 = 756 + 525/189 = 1281/189 - 1281/189 simplified gives 61/9
- So, 28/7 + 75/27 = 61/9
In mixed form: 67/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+75/27 28/14+75/27 28/7+75/54 84/7+75/27 28/21+75/27 28/7+75/81 28/35+75/27 28/49+75/27