Subtract 2/21 from 14/2
1st number: 7 0/2, 2nd number: 2/21
14/2 - 2/21 is 145/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
14/2 = 14 × 21/2 × 21 = 294/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
2/21 = 2 × 2/21 × 2 = 4/42 - Subtract the two like fractions:
294/42 - 4/42 = 294 - 4/42 = 290/42 - After reducing the fraction, the answer is 145/21
- In mixed form: 619/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/2-2/21 14/2-4/21 14/4-2/21 14/2-2/42 42/2-2/21 14/2-6/21 14/6-2/21 14/2-2/63 70/2-2/21 14/2-10/21 14/10-2/21 98/2-2/21 14/2-14/21