Subtract 98/10 from 30/9
1st number: 3 3/9, 2nd number: 9 8/10
30/9 - 98/10 is -97/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
98/10 = 98 × 9/10 × 9 = 882/90 - Subtract the two like fractions:
300/90 - 882/90 = 300 - 882/90 = -582/90 - After reducing the fraction, the answer is -97/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-98/10 30/18-98/10 30/9-98/20 90/9-98/10 30/27-98/10 30/9-98/30 30/45-98/10 30/9-98/50 30/63-98/10 30/9-98/70