Subtract 8/15 from 16/28
16/28 - 8/15 is 4/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
16/28 = 16 × 15/28 × 15 = 240/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Subtract the two like fractions:
240/420 - 224/420 = 240 - 224/420 = 16/420 - After reducing the fraction, the answer is 4/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-8/15 16/28-16/15 16/56-8/15 16/28-8/30 48/28-8/15 16/28-24/15 16/84-8/15 16/28-8/45 80/28-8/15 16/28-40/15 16/28-8/75 16/28-56/15