Subtract 3/18 from 35/40
35/40 - 3/18 is 17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
35/40 = 35 × 9/40 × 9 = 315/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
3/18 = 3 × 20/18 × 20 = 60/360 - Subtract the two like fractions:
315/360 - 60/360 = 315 - 60/360 = 255/360 - After reducing the fraction, the answer is 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-3/18 35/40-6/18 35/80-3/18 35/40-3/36 35/40-9/18 35/40-3/54 35/40-15/18 35/40-3/90 35/40-21/18