Subtract 12/42 from 16/4
1st number: 4 0/4, 2nd number: 12/42
16/4 - 12/42 is 26/7.
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,
12/42 = 12 × 2/42 × 2 = 24/84 - Subtract the two like fractions:
336/84 - 24/84 = 336 - 24/84 = 312/84 - After reducing the fraction, the answer is 26/7
- In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4-12/42 16/4-24/42 16/8-12/42 16/4-12/84 48/4-12/42 16/4-36/42 16/12-12/42 80/4-12/42 16/4-60/42 16/20-12/42 16/4-84/42 16/28-12/42