Subtract 1/42 from 6/4
1st number: 1 2/4, 2nd number: 1/42
6/4 - 1/42 is 31/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Subtract the two like fractions:
126/84 - 2/84 = 126 - 2/84 = 124/84 - After reducing the fraction, the answer is 31/21
- In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4-1/42 6/4-2/42 6/8-1/42 6/4-1/84 18/4-1/42 6/4-3/42 6/12-1/42 30/4-1/42 6/4-5/42 6/20-1/42 42/4-1/42 6/4-7/42 6/28-1/42