Subtract 25/10 from 72/75
1st number: 72/75, 2nd number: 2 5/10
72/75 - 25/10 is -77/50.
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,
72/75 = 72 × 2/75 × 2 = 144/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
25/10 = 25 × 15/10 × 15 = 375/150 - Subtract the two like fractions:
144/150 - 375/150 = 144 - 375/150 = -231/150 - After reducing the fraction, the answer is -77/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-50/10 72/75-25/20 72/75-75/10 72/75-25/30 72/75-25/50 72/75-25/70