Subtract 28/25 from 3/12
1st number: 3/12, 2nd number: 1 3/25
3/12 - 28/25 is -87/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
28/25 = 28 × 12/25 × 12 = 336/300 - Subtract the two like fractions:
75/300 - 336/300 = 75 - 336/300 = -261/300 - After reducing the fraction, the answer is -87/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-28/25 3/12-56/25 3/24-28/25 3/12-28/50 9/12-28/25 3/12-84/25 3/36-28/25 3/12-28/75 15/12-28/25 3/60-28/25 21/12-28/25 3/84-28/25