Subtract 98/18 from 8/10
1st number: 8/10, 2nd number: 5 8/18
8/10 - 98/18 is -209/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Subtract the two like fractions:
72/90 - 490/90 = 72 - 490/90 = -418/90 - After reducing the fraction, the answer is -209/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-98/18 8/20-98/18 8/10-98/36 24/10-98/18 8/30-98/18 8/10-98/54 40/10-98/18 8/50-98/18 8/10-98/90 56/10-98/18 8/70-98/18