Subtract 48/36 from 3/7
1st number: 3/7, 2nd number: 1 12/36
3/7 - 48/36 is -19/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
3/7 = 3 × 36/7 × 36 = 108/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
48/36 = 48 × 7/36 × 7 = 336/252 - Subtract the two like fractions:
108/252 - 336/252 = 108 - 336/252 = -228/252 - After reducing the fraction, the answer is -19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7-48/36 3/7-96/36 3/14-48/36 3/7-48/72 9/7-48/36 3/21-48/36 15/7-48/36 3/35-48/36 21/7-48/36 3/49-48/36