Subtract 3/42 from 63/36
1st number: 1 27/36, 2nd number: 3/42
63/36 - 3/42 is 47/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
3/42 = 3 × 6/42 × 6 = 18/252 - Subtract the two like fractions:
441/252 - 18/252 = 441 - 18/252 = 423/252 - After reducing the fraction, the answer is 47/28
- In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36-6/42 63/72-3/42 63/36-3/84 63/36-9/42 63/36-15/42 63/36-21/42