Subtract 54/72 from 75/14
1st number: 5 5/14, 2nd number: 54/72
75/14 - 54/72 is 129/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
75/14 = 75 × 36/14 × 36 = 2700/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Subtract the two like fractions:
2700/504 - 378/504 = 2700 - 378/504 = 2322/504 - After reducing the fraction, the answer is 129/28
- In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/28-54/72 75/42-54/72 75/70-54/72 75/98-54/72