Subtract 45/75 from 42/60
42/60 - 45/75 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
42/60 = 42 × 5/60 × 5 = 210/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
45/75 = 45 × 4/75 × 4 = 180/300 - Subtract the two like fractions:
210/300 - 180/300 = 210 - 180/300 = 30/300 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-45/75 42/60-90/75