Subtract 3/10 from 7/75
7/75 - 3/10 is -31/150.
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,
7/75 = 7 × 2/75 × 2 = 14/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
3/10 = 3 × 15/10 × 15 = 45/150 - Subtract the two like fractions:
14/150 - 45/150 = 14 - 45/150 = -31/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-3/10 7/75-6/10 7/75-3/20 21/75-3/10 7/75-9/10 7/75-3/30 35/75-3/10 7/75-15/10 7/75-3/50 49/75-3/10 7/75-21/10 7/75-3/70