Subtract 7/18 from 40/4
1st number: 10 0/4, 2nd number: 7/18
40/4 - 7/18 is 173/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
40/4 = 40 × 9/4 × 9 = 360/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
7/18 = 7 × 2/18 × 2 = 14/36 - Subtract the two like fractions:
360/36 - 14/36 = 360 - 14/36 = 346/36 - After reducing the fraction, the answer is 173/18
- In mixed form: 911/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-7/18 40/4-14/18 40/8-7/18 40/4-7/36 40/4-21/18 40/12-7/18 40/4-7/54 40/4-35/18 40/20-7/18 40/4-7/90 40/4-49/18 40/28-7/18