Subtract 30/18 from 98/7
1st number: 14 0/7, 2nd number: 1 12/18
98/7 - 30/18 is 37/3.
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,
98/7 = 98 × 18/7 × 18 = 1764/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Subtract the two like fractions:
1764/126 - 210/126 = 1764 - 210/126 = 1554/126 - After reducing the fraction, the answer is 37/3
- In mixed form: 121/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/7-60/18 98/14-30/18 98/7-30/36 98/7-90/18 98/21-30/18 98/7-30/54 98/35-30/18 98/7-30/90 98/49-30/18