Subtract 12/21 from 36/6
1st number: 6 0/6, 2nd number: 12/21
36/6 - 12/21 is 38/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
36/6 = 36 × 7/6 × 7 = 252/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
12/21 = 12 × 2/21 × 2 = 24/42 - Subtract the two like fractions:
252/42 - 24/42 = 252 - 24/42 = 228/42 - After reducing the fraction, the answer is 38/7
- In mixed form: 53/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-12/21 36/6-24/21 36/12-12/21 36/6-12/42 36/6-36/21 36/18-12/21 36/6-12/63 36/6-60/21 36/30-12/21 36/6-84/21 36/42-12/21