Subtract 50/4 from 21/14
1st number: 1 7/14, 2nd number: 12 2/4
21/14 - 50/4 is -11/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
21/14 = 21 × 2/14 × 2 = 42/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
50/4 = 50 × 7/4 × 7 = 350/28 - Subtract the two like fractions:
42/28 - 350/28 = 42 - 350/28 = -308/28 - After reducing the fraction, the answer is -11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-50/4 21/28-50/4 21/14-50/8 63/14-50/4 21/42-50/4 21/14-50/12 21/70-50/4 21/14-50/20 21/98-50/4 21/14-50/28