Subtract 9/42 from 36/2
1st number: 18 0/2, 2nd number: 9/42
36/2 - 9/42 is 249/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
36/2 = 36 × 21/2 × 21 = 756/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42 - Subtract the two like fractions:
756/42 - 9/42 = 756 - 9/42 = 747/42 - After reducing the fraction, the answer is 249/14
- In mixed form: 1711/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-9/42 36/2-18/42 36/4-9/42 36/2-9/84 36/2-27/42 36/6-9/42 36/2-45/42 36/10-9/42 36/2-63/42 36/14-9/42