Subtract 27/42 from 16/12
1st number: 1 4/12, 2nd number: 27/42
16/12 - 27/42 is 29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
16/12 = 16 × 7/12 × 7 = 112/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
27/42 = 27 × 2/42 × 2 = 54/84 - Subtract the two like fractions:
112/84 - 54/84 = 112 - 54/84 = 58/84 - After reducing the fraction, the answer is 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12-27/42 16/12-54/42 16/24-27/42 16/12-27/84 48/12-27/42 16/12-81/42 16/36-27/42 80/12-27/42 16/60-27/42 16/84-27/42