Subtract 4/12 from 16/28
16/28 - 4/12 is 5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
16/28 = 16 × 3/28 × 3 = 48/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Subtract the two like fractions:
48/84 - 28/84 = 48 - 28/84 = 20/84 - After reducing the fraction, the answer is 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-4/12 16/28-8/12 16/56-4/12 16/28-4/24 48/28-4/12 16/84-4/12 16/28-4/36 80/28-4/12 16/28-20/12 16/28-4/60 16/28-28/12 16/28-4/84