Subtract 42/21 from 14/3
1st number: 4 2/3, 2nd number: 2 0/21
143 - 4221 is 83.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
143 = 14 × 73 × 7 = 9821 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
4221 = 42 × 121 × 1 = 4221 - Subtract the two like fractions:
9821 - 4221 = 98 - 4221 = 5621 - After reducing the fraction, the answer is 83
- In mixed form: 223
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/3-42/21 14/3-84/21 14/6-42/21 42/3-42/21 14/9-42/21 14/3-42/63 70/3-42/21 14/15-42/21 98/3-42/21 14/21-42/21