Subtract 12/36 from 42/10
1st number: 4 2/10, 2nd number: 12/36
42/10 - 12/36 is 58/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
42/10 = 42 × 18/10 × 18 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Subtract the two like fractions:
756/180 - 60/180 = 756 - 60/180 = 696/180 - After reducing the fraction, the answer is 58/15
- In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-12/36 42/10-24/36 42/20-12/36 42/10-12/72 42/30-12/36 42/10-60/36 42/50-12/36 42/10-84/36 42/70-12/36