Subtract 18/45 from 98/7
1st number: 14 0/7, 2nd number: 18/45
98/7 - 18/45 is 68/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
98/7 = 98 × 45/7 × 45 = 4410/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
18/45 = 18 × 7/45 × 7 = 126/315 - Subtract the two like fractions:
4410/315 - 126/315 = 4410 - 126/315 = 4284/315 - After reducing the fraction, the answer is 68/5
- In mixed form: 133/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/7-36/45 98/14-18/45 98/7-18/90 98/7-54/45 98/21-18/45 98/7-90/45 98/35-18/45 98/49-18/45