Subtract 75/18 from 84/7
1st number: 12 0/7, 2nd number: 4 3/18
84/7 - 75/18 is 47/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
84/7 = 84 × 18/7 × 18 = 1512/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
75/18 = 75 × 7/18 × 7 = 525/126 - Subtract the two like fractions:
1512/126 - 525/126 = 1512 - 525/126 = 987/126 - After reducing the fraction, the answer is 47/6
- In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-75/18 84/7-75/36 84/21-75/18 84/7-75/54 84/35-75/18 84/7-75/90 84/49-75/18