Subtract 1/75 from 45/20
1st number: 2 5/20, 2nd number: 1/75
45/20 - 1/75 is 671/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
45/20 = 45 × 15/20 × 15 = 675/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
1/75 = 1 × 4/75 × 4 = 4/300 - Subtract the two like fractions:
675/300 - 4/300 = 675 - 4/300 = 671/300 - In mixed form: 271/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-1/75 45/20-2/75 45/40-1/75 45/20-3/75 45/60-1/75 45/20-5/75 45/20-7/75