Subtract 42/49 from 27/4
1st number: 6 3/4, 2nd number: 42/49
27/4 - 42/49 is 165/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
27/4 = 27 × 49/4 × 49 = 1323/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
42/49 = 42 × 4/49 × 4 = 168/196 - Subtract the two like fractions:
1323/196 - 168/196 = 1323 - 168/196 = 1155/196 - After reducing the fraction, the answer is 165/28
- In mixed form: 525/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-42/49 27/4-84/49 27/8-42/49 27/4-42/98 81/4-42/49 27/12-42/49 27/20-42/49 27/28-42/49