Subtract 63/36 from 42/75
1st number: 42/75, 2nd number: 1 27/36
42/75 - 63/36 is -119/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
42/75 = 42 × 12/75 × 12 = 504/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
63/36 = 63 × 25/36 × 25 = 1575/900 - Subtract the two like fractions:
504/900 - 1575/900 = 504 - 1575/900 = -1071/900 - After reducing the fraction, the answer is -119/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-63/36 42/75-63/72