Subtract 42/10 from 3/36
1st number: 3/36, 2nd number: 4 2/10
3/36 - 42/10 is -247/60.
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,
3/36 = 3 × 5/36 × 5 = 15/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
42/10 = 42 × 18/10 × 18 = 756/180 - Subtract the two like fractions:
15/180 - 756/180 = 15 - 756/180 = -741/180 - After reducing the fraction, the answer is -247/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36-42/10 3/36-84/10 3/72-42/10 3/36-42/20 9/36-42/10 3/36-42/30 15/36-42/10 3/36-42/50 21/36-42/10 3/36-42/70