Subtract 6/42 from 7/2
1st number: 3 1/2, 2nd number: 6/42
7/2 - 6/42 is 47/14.
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,
7/2 = 7 × 21/2 × 21 = 147/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
6/42 = 6 × 1/42 × 1 = 6/42 - Subtract the two like fractions:
147/42 - 6/42 = 147 - 6/42 = 141/42 - After reducing the fraction, the answer is 47/14
- In mixed form: 35/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-6/42 7/2-12/42 7/4-6/42 7/2-6/84 21/2-6/42 7/2-18/42 7/6-6/42 35/2-6/42 7/2-30/42 7/10-6/42 49/2-6/42 7/14-6/42