Subtract 54/84 from 4/16
4/16 - 54/84 is -11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
54/84 = 54 × 4/84 × 4 = 216/336 - Subtract the two like fractions:
84/336 - 216/336 = 84 - 216/336 = -132/336 - After reducing the fraction, the answer is -11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-54/84 4/32-54/84 12/16-54/84 4/48-54/84 20/16-54/84 4/80-54/84 28/16-54/84