Subtract 98/10 from 84/9
1st number: 9 3/9, 2nd number: 9 8/10
84/9 - 98/10 is -7/15.
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,
84/9 = 84 × 10/9 × 10 = 840/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
98/10 = 98 × 9/10 × 9 = 882/90 - Subtract the two like fractions:
840/90 - 882/90 = 840 - 882/90 = -42/90 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-98/10 84/9-98/20 84/27-98/10 84/9-98/30 84/45-98/10 84/9-98/50 84/63-98/10 84/9-98/70