Subtract 50/14 from 63/21
1st number: 3 0/21, 2nd number: 3 8/14
63/21 - 50/14 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
50/14 = 50 × 3/14 × 3 = 150/42 - Subtract the two like fractions:
126/42 - 150/42 = 126 - 150/42 = -24/42 - After reducing the fraction, the answer is -4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42-50/14 63/21-50/28 63/21-50/42 63/21-50/70 63/21-50/98