Subtract 3/12 from 25/28
25/28 - 3/12 is 9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
25/28 = 25 × 3/28 × 3 = 75/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Subtract the two like fractions:
75/84 - 21/84 = 75 - 21/84 = 54/84 - After reducing the fraction, the answer is 9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28-3/12 25/28-6/12 25/56-3/12 25/28-3/24 75/28-3/12 25/28-9/12 25/84-3/12 25/28-3/36 25/28-15/12 25/28-3/60 25/28-21/12 25/28-3/84