Subtract 5/20 from 54/75
54/75 - 5/20 is 47/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
54/75 = 54 × 4/75 × 4 = 216/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
5/20 = 5 × 15/20 × 15 = 75/300 - Subtract the two like fractions:
216/300 - 75/300 = 216 - 75/300 = 141/300 - After reducing the fraction, the answer is 47/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75-10/20 54/75-5/40 54/75-15/20 54/75-5/60 54/75-25/20 54/75-35/20