Subtract 15/7 from 14/28
1st number: 14/28, 2nd number: 2 1/7
14/28 - 15/7 is -23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
14/28 = 14 × 1/28 × 1 = 14/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
15/7 = 15 × 4/7 × 4 = 60/28 - Subtract the two like fractions:
14/28 - 60/28 = 14 - 60/28 = -46/28 - After reducing the fraction, the answer is -23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-30/7 14/56-15/7 14/28-15/14 42/28-15/7 14/28-45/7 14/84-15/7 14/28-15/21 70/28-15/7 14/28-75/7 14/28-15/35 98/28-15/7 14/28-15/49