Subtract 72/10 from 50/75
1st number: 50/75, 2nd number: 7 2/10
50/75 - 72/10 is -98/15.
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,
50/75 = 50 × 2/75 × 2 = 100/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
72/10 = 72 × 15/10 × 15 = 1080/150 - Subtract the two like fractions:
100/150 - 1080/150 = 100 - 1080/150 = -980/150 - After reducing the fraction, the answer is -98/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75-72/20 50/75-72/30 50/75-72/50 50/75-72/70