Subtract 28/32 from 10/75
10/75 - 28/32 is -89/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 32 is 2400
Next, find the equivalent fraction of both fractional numbers with denominator 2400 - For the 1st fraction, since 75 × 32 = 2400,
10/75 = 10 × 32/75 × 32 = 320/2400 - Likewise, for the 2nd fraction, since 32 × 75 = 2400,
28/32 = 28 × 75/32 × 75 = 2100/2400 - Subtract the two like fractions:
320/2400 - 2100/2400 = 320 - 2100/2400 = -1780/2400 - After reducing the fraction, the answer is -89/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-28/32 10/75-56/32 10/75-28/64 30/75-28/32 10/75-84/32 10/75-28/96 50/75-28/32 70/75-28/32