Subtract 42/36 from 30/2
1st number: 15 0/2, 2nd number: 1 6/36
30/2 - 42/36 is 83/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
30/2 = 30 × 18/2 × 18 = 540/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Subtract the two like fractions:
540/36 - 42/36 = 540 - 42/36 = 498/36 - After reducing the fraction, the answer is 83/6
- In mixed form: 135/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-42/36 30/2-84/36 30/4-42/36 30/2-42/72 90/2-42/36 30/6-42/36 30/10-42/36 30/14-42/36