Subtract 5/9 from 42/75
42/75 - 5/9 is 1/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
42/75 = 42 × 3/75 × 3 = 126/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
5/9 = 5 × 25/9 × 25 = 125/225 - Subtract the two like fractions:
126/225 - 125/225 = 126 - 125/225 = 1/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-5/9 42/75-10/9 42/75-5/18 42/75-15/9 42/75-5/27 42/75-25/9 42/75-5/45 42/75-35/9 42/75-5/63