Subtract 1/50 from 40/18
1st number: 2 4/18, 2nd number: 1/50
40/18 - 1/50 is 991/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
40/18 = 40 × 25/18 × 25 = 1000/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
1/50 = 1 × 9/50 × 9 = 9/450 - Subtract the two like fractions:
1000/450 - 9/450 = 1000 - 9/450 = 991/450 - In mixed form: 291/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-1/50 40/18-2/50 40/36-1/50 40/18-3/50 40/54-1/50 40/18-5/50 40/90-1/50 40/18-7/50