Subtract 75/60 from 28/32
1st number: 28/32, 2nd number: 1 15/60
28/32 - 75/60 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 60 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
28/32 = 28 × 15/32 × 15 = 420/480 - Likewise, for the 2nd fraction, since 60 × 8 = 480,
75/60 = 75 × 8/60 × 8 = 600/480 - Subtract the two like fractions:
420/480 - 600/480 = 420 - 600/480 = -180/480 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32-75/60 28/64-75/60 84/32-75/60 28/96-75/60