Subtract 3/90 from 98/60
1st number: 1 38/60, 2nd number: 3/90
98/60 - 3/90 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
98/60 = 98 × 3/60 × 3 = 294/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Subtract the two like fractions:
294/180 - 6/180 = 294 - 6/180 = 288/180 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60-6/90 98/60-9/90 98/60-15/90 98/60-21/90