Subtract 42/18 from 9/75
1st number: 9/75, 2nd number: 2 6/18
9/75 - 42/18 is -166/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
9/75 = 9 × 6/75 × 6 = 54/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Subtract the two like fractions:
54/450 - 1050/450 = 54 - 1050/450 = -996/450 - After reducing the fraction, the answer is -166/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/75-42/18 9/75-84/18 9/75-42/36 27/75-42/18 9/75-42/54 45/75-42/18 9/75-42/90 63/75-42/18