Subtract 25/15 from 28/14
1st number: 2 0/14, 2nd number: 1 10/15
28/14 - 25/15 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
28/14 = 28 × 15/14 × 15 = 420/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
25/15 = 25 × 14/15 × 14 = 350/210 - Subtract the two like fractions:
420/210 - 350/210 = 420 - 350/210 = 70/210 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-25/15 28/14-50/15 28/14-25/30 84/14-25/15 28/14-75/15 28/42-25/15 28/14-25/45 28/70-25/15 28/14-25/75 28/98-25/15