Subtract 25/10 from 30/75
1st number: 30/75, 2nd number: 2 5/10
30/75 - 25/10 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
25/10 = 25 × 15/10 × 15 = 375/150 - Subtract the two like fractions:
60/150 - 375/150 = 60 - 375/150 = -315/150 - After reducing the fraction, the answer is -21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-25/10 30/75-50/10 30/75-25/20 90/75-25/10 30/75-75/10 30/75-25/30 30/75-25/50 30/75-25/70