Subtract 75/50 from 7/30
1st number: 7/30, 2nd number: 1 25/50
7/30 - 75/50 is -19/15.
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,
7/30 = 7 × 5/30 × 5 = 35/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
75/50 = 75 × 3/50 × 3 = 225/150 - Subtract the two like fractions:
35/150 - 225/150 = 35 - 225/150 = -190/150 - After reducing the fraction, the answer is -19/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-75/50 7/60-75/50 21/30-75/50 7/90-75/50 35/30-75/50 49/30-75/50