Subtract 40/42 from 6/2
1st number: 3 0/2, 2nd number: 40/42
6/2 - 40/42 is 43/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
6/2 = 6 × 21/2 × 21 = 126/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
40/42 = 40 × 1/42 × 1 = 40/42 - Subtract the two like fractions:
126/42 - 40/42 = 126 - 40/42 = 86/42 - After reducing the fraction, the answer is 43/21
- In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/2-40/42 6/2-80/42 6/4-40/42 6/2-40/84 18/2-40/42 30/2-40/42 6/10-40/42 42/2-40/42 6/14-40/42