Subtract 27/7 from 18/48
1st number: 18/48, 2nd number: 3 6/7
18/48 - 27/7 is -195/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
18/48 = 18 × 7/48 × 7 = 126/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
27/7 = 27 × 48/7 × 48 = 1296/336 - Subtract the two like fractions:
126/336 - 1296/336 = 126 - 1296/336 = -1170/336 - After reducing the fraction, the answer is -195/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48-27/7 18/48-54/7 18/96-27/7 18/48-27/14 54/48-27/7 18/48-81/7 18/48-27/21 90/48-27/7 18/48-27/35 18/48-27/49