Subtract 40/42 from 16/6
1st number: 2 4/6, 2nd number: 40/42
16/6 - 40/42 is 12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
16/6 = 16 × 7/6 × 7 = 112/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
40/42 = 40 × 1/42 × 1 = 40/42 - Subtract the two like fractions:
112/42 - 40/42 = 112 - 40/42 = 72/42 - After reducing the fraction, the answer is 12/7
- In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/6-40/42 16/6-80/42 16/12-40/42 16/6-40/84 48/6-40/42 16/18-40/42 80/6-40/42 16/30-40/42 16/42-40/42