Subtract 1/75 from 42/40
1st number: 1 2/40, 2nd number: 1/75
42/40 - 1/75 is 311/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
42/40 = 42 × 15/40 × 15 = 630/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
1/75 = 1 × 8/75 × 8 = 8/600 - Subtract the two like fractions:
630/600 - 8/600 = 630 - 8/600 = 622/600 - After reducing the fraction, the answer is 311/300
- In mixed form: 111/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40-1/75 42/40-2/75 42/80-1/75 42/40-3/75 42/40-5/75 42/40-7/75