Subtract 16/42 from 8/2
1st number: 4 0/2, 2nd number: 16/42
8/2 - 16/42 is 76/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
8/2 = 8 × 21/2 × 21 = 168/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
16/42 = 16 × 1/42 × 1 = 16/42 - Subtract the two like fractions:
168/42 - 16/42 = 168 - 16/42 = 152/42 - After reducing the fraction, the answer is 76/21
- In mixed form: 313/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-16/42 8/2-32/42 8/4-16/42 8/2-16/84 24/2-16/42 8/2-48/42 8/6-16/42 40/2-16/42 8/2-80/42 8/10-16/42 56/2-16/42 8/14-16/42