Subtract 50/42 from 54/3
1st number: 18 0/3, 2nd number: 1 8/42
54/3 - 50/42 is 353/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
54/3 = 54 × 14/3 × 14 = 756/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
50/42 = 50 × 1/42 × 1 = 50/42 - Subtract the two like fractions:
756/42 - 50/42 = 756 - 50/42 = 706/42 - After reducing the fraction, the answer is 353/21
- In mixed form: 1617/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-50/42 54/3-50/84 54/9-50/42 54/15-50/42 54/21-50/42