Subtract 3/18 from 40/10
1st number: 4 0/10, 2nd number: 3/18
40/10 - 3/18 is 23/6.
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,
40/10 = 40 × 9/10 × 9 = 360/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Subtract the two like fractions:
360/90 - 15/90 = 360 - 15/90 = 345/90 - After reducing the fraction, the answer is 23/6
- In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-3/18 40/10-6/18 40/20-3/18 40/10-3/36 40/10-9/18 40/30-3/18 40/10-3/54 40/10-15/18 40/50-3/18 40/10-3/90 40/10-21/18 40/70-3/18