Subtract 63/36 from 6/42
1st number: 6/42, 2nd number: 1 27/36
6/42 - 63/36 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
6/42 = 6 × 6/42 × 6 = 36/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Subtract the two like fractions:
36/252 - 441/252 = 36 - 441/252 = -405/252 - After reducing the fraction, the answer is -45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42-63/36 6/84-63/36 6/42-63/72 18/42-63/36 30/42-63/36