Subtract 42/32 from 30/2
1st number: 15 0/2, 2nd number: 1 10/32
30/2 - 42/32 is 219/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 32 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 2 × 16 = 32,
30/2 = 30 × 16/2 × 16 = 480/32 - Likewise, for the 2nd fraction, since 32 × 1 = 32,
42/32 = 42 × 1/32 × 1 = 42/32 - Subtract the two like fractions:
480/32 - 42/32 = 480 - 42/32 = 438/32 - After reducing the fraction, the answer is 219/16
- In mixed form: 1311/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-42/32 30/2-84/32 30/4-42/32 30/2-42/64 90/2-42/32 30/6-42/32 30/2-42/96 30/10-42/32 30/14-42/32