Subtract 75/27 from 84/7
1st number: 12 0/7, 2nd number: 2 21/27
84/7 - 75/27 is 83/9.
Steps for subtracting 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,
84/7 = 84 × 27/7 × 27 = 2268/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
75/27 = 75 × 7/27 × 7 = 525/189 - Subtract the two like fractions:
2268/189 - 525/189 = 2268 - 525/189 = 1743/189 - After reducing the fraction, the answer is 83/9
- In mixed form: 92/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-75/27 84/7-75/54 84/21-75/27 84/7-75/81 84/35-75/27 84/49-75/27