Subtract 16/6 from 54/42
1st number: 1 12/42, 2nd number: 2 4/6
54/42 - 16/6 is -29/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
54/42 = 54 × 1/42 × 1 = 54/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
16/6 = 16 × 7/6 × 7 = 112/42 - Subtract the two like fractions:
54/42 - 112/42 = 54 - 112/42 = -58/42 - After reducing the fraction, the answer is -29/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42-32/6 54/84-16/6 54/42-16/12 54/42-48/6 54/42-16/18 54/42-80/6 54/42-16/30 54/42-16/42