Subtract 6/16 from 28/84
28/84 - 6/16 is -1/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
28/84 = 28 × 4/84 × 4 = 112/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
6/16 = 6 × 21/16 × 21 = 126/336 - Subtract the two like fractions:
112/336 - 126/336 = 112 - 126/336 = -14/336 - After reducing the fraction, the answer is -1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-6/16 28/84-12/16 28/84-6/32 28/84-18/16 28/84-6/48 28/84-30/16 28/84-6/80 28/84-42/16