Subtract 7/36 from 42/10
1st number: 4 2/10, 2nd number: 7/36
42/10 - 7/36 is 721/180.
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,
7/36 = 7 × 5/36 × 5 = 35/180 - Subtract the two like fractions:
756/180 - 35/180 = 756 - 35/180 = 721/180 - In mixed form: 41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-7/36 42/10-14/36 42/20-7/36 42/10-7/72 42/10-21/36 42/30-7/36 42/10-35/36 42/50-7/36 42/10-49/36 42/70-7/36