Subtract 42/10 from 6/36
1st number: 6/36, 2nd number: 4 2/10
6/36 - 42/10 is -121/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 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 10 × 18 = 180,
42/10 = 42 × 18/10 × 18 = 756/180 - Subtract the two like fractions:
30/180 - 756/180 = 30 - 756/180 = -726/180 - After reducing the fraction, the answer is -121/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/36-42/10 6/36-84/10 6/72-42/10 6/36-42/20 18/36-42/10 6/36-42/30 30/36-42/10 6/36-42/50 42/36-42/10 6/36-42/70