Subtract 7/10 from 98/18
1st number: 5 8/18, 2nd number: 7/10
98/18 - 7/10 is 427/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Subtract the two like fractions:
490/90 - 63/90 = 490 - 63/90 = 427/90 - In mixed form: 467/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-14/10 98/36-7/10 98/18-7/20 98/18-21/10 98/54-7/10 98/18-7/30 98/18-35/10 98/90-7/10 98/18-7/50 98/18-49/10 98/18-7/70