Subtract 21/75 from 54/12
1st number: 4 6/12, 2nd number: 21/75
54/12 - 21/75 is 211/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
54/12 = 54 × 25/12 × 25 = 1350/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Subtract the two like fractions:
1350/300 - 84/300 = 1350 - 84/300 = 1266/300 - After reducing the fraction, the answer is 211/50
- In mixed form: 411/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-42/75 54/24-21/75 54/12-63/75 54/36-21/75 54/60-21/75 54/84-21/75