Subtract 28/14 from 7/4
1st number: 1 3/4, 2nd number: 2 0/14
7/4 - 28/14 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
7/4 = 7 × 7/4 × 7 = 49/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
28/14 = 28 × 2/14 × 2 = 56/28 - Subtract the two like fractions:
49/28 - 56/28 = 49 - 56/28 = -7/28 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-28/14 7/4-56/14 7/8-28/14 21/4-28/14 7/4-84/14 7/12-28/14 7/4-28/42 35/4-28/14 7/20-28/14 7/4-28/70 49/4-28/14 7/28-28/14 7/4-28/98