Subtract 16/42 from 16/4
1st number: 4 0/4, 2nd number: 16/42
16/4 - 16/42 is 76/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
16/4 = 16 × 21/4 × 21 = 336/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
16/42 = 16 × 2/42 × 2 = 32/84 - Subtract the two like fractions:
336/84 - 32/84 = 336 - 32/84 = 304/84 - 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: 32/4-16/42 16/4-32/42 16/8-16/42 16/4-16/84 48/4-16/42 16/4-48/42 16/12-16/42 80/4-16/42 16/4-80/42 16/20-16/42 16/28-16/42