Subtract 3/12 from 28/25
1st number: 1 3/25, 2nd number: 3/12
28/25 - 3/12 is 87/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
28/25 = 28 × 12/25 × 12 = 336/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Subtract the two like fractions:
336/300 - 75/300 = 336 - 75/300 = 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: 56/25-3/12 28/25-6/12 28/50-3/12 28/25-3/24 84/25-3/12 28/25-9/12 28/75-3/12 28/25-3/36 28/25-15/12 28/25-3/60 28/25-21/12 28/25-3/84