Subtract 98/10 from 40/2
1st number: 20 0/2, 2nd number: 9 8/10
40/2 - 98/10 is 51/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
40/2 = 40 × 5/2 × 5 = 200/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
98/10 = 98 × 1/10 × 1 = 98/10 - Subtract the two like fractions:
200/10 - 98/10 = 200 - 98/10 = 102/10 - After reducing the fraction, the answer is 51/5
- In mixed form: 101/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-98/10 40/4-98/10 40/2-98/20 40/6-98/10 40/2-98/30 40/10-98/10 40/2-98/50 40/14-98/10 40/2-98/70