Subtract 42/30 from 6/36
1st number: 6/36, 2nd number: 1 12/30
6/36 - 42/30 is -37/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
6/36 = 6 × 5/36 × 5 = 30/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
42/30 = 42 × 6/30 × 6 = 252/180 - Subtract the two like fractions:
30/180 - 252/180 = 30 - 252/180 = -222/180 - After reducing the fraction, the answer is -37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/36-42/30 6/36-84/30 6/72-42/30 6/36-42/60 18/36-42/30 6/36-42/90 30/36-42/30 42/36-42/30