Subtract 28/7 from 54/3
1st number: 18 0/3, 2nd number: 4 0/7
54/3 - 28/7 is 14/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
54/3 = 54 × 7/3 × 7 = 378/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
28/7 = 28 × 3/7 × 3 = 84/21 - Subtract the two like fractions:
378/21 - 84/21 = 378 - 84/21 = 294/21 - After reducing the fraction, the answer is 14/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3-56/7 54/6-28/7 54/3-28/14 54/3-84/7 54/9-28/7 54/3-28/21 54/15-28/7 54/3-28/35 54/21-28/7 54/3-28/49