Subtract 49/42 from 27/4
1st number: 6 3/4, 2nd number: 1 7/42
27/4 - 49/42 is 67/12.
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,
27/4 = 27 × 21/4 × 21 = 567/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
49/42 = 49 × 2/42 × 2 = 98/84 - Subtract the two like fractions:
567/84 - 98/84 = 567 - 98/84 = 469/84 - After reducing the fraction, the answer is 67/12
- In mixed form: 57/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-49/42 27/4-98/42 27/8-49/42 27/4-49/84 81/4-49/42 27/12-49/42 27/20-49/42 27/28-49/42