Subtract 54/24 from 30/7
1st number: 4 2/7, 2nd number: 2 6/24
30/7 - 54/24 is 57/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
30/7 = 30 × 24/7 × 24 = 720/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
54/24 = 54 × 7/24 × 7 = 378/168 - Subtract the two like fractions:
720/168 - 378/168 = 720 - 378/168 = 342/168 - After reducing the fraction, the answer is 57/28
- In mixed form: 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-54/24 30/14-54/24 30/7-54/48 90/7-54/24 30/21-54/24 30/7-54/72 30/35-54/24 30/49-54/24