Subtract 50/8 from 14/21
1st number: 14/21, 2nd number: 6 2/8
14/21 - 50/8 is -67/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
50/8 = 50 × 21/8 × 21 = 1050/168 - Subtract the two like fractions:
112/168 - 1050/168 = 112 - 1050/168 = -938/168 - After reducing the fraction, the answer is -67/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21-50/8 14/42-50/8 14/21-50/16 42/21-50/8 14/63-50/8 14/21-50/24 70/21-50/8 14/21-50/40 98/21-50/8 14/21-50/56