Subtract 16/7 from 98/18
1st number: 5 8/18, 2nd number: 2 2/7
98/18 - 16/7 is 199/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
98/18 = 98 × 7/18 × 7 = 686/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
16/7 = 16 × 18/7 × 18 = 288/126 - Subtract the two like fractions:
686/126 - 288/126 = 686 - 288/126 = 398/126 - After reducing the fraction, the answer is 199/63
- In mixed form: 310/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-32/7 98/36-16/7 98/18-16/14 98/18-48/7 98/54-16/7 98/18-16/21 98/18-80/7 98/90-16/7 98/18-16/35 98/18-16/49