Subtract 20/90 from 98/6
1st number: 16 2/6, 2nd number: 20/90
98/6 - 20/90 is 145/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
98/6 = 98 × 15/6 × 15 = 1470/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
1470/90 - 20/90 = 1470 - 20/90 = 1450/90 - After reducing the fraction, the answer is 145/9
- In mixed form: 161/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/6-40/90 98/12-20/90 98/6-60/90 98/18-20/90 98/30-20/90 98/42-20/90