Subtract 49/36 from 42/60
1st number: 42/60, 2nd number: 1 13/36
42/60 - 49/36 is -119/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Subtract the two like fractions:
126/180 - 245/180 = 126 - 245/180 = -119/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-49/36 42/60-98/36 42/60-49/72