Subtract 3/50 from 40/30
1st number: 1 10/30, 2nd number: 3/50
40/30 - 3/50 is 191/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
40/30 = 40 × 5/30 × 5 = 200/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
3/50 = 3 × 3/50 × 3 = 9/150 - Subtract the two like fractions:
200/150 - 9/150 = 200 - 9/150 = 191/150 - In mixed form: 141/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-3/50 40/30-6/50 40/60-3/50 40/30-9/50 40/90-3/50 40/30-15/50 40/30-21/50