Subtract 40/84 from 90/16
1st number: 5 10/16, 2nd number: 40/84
90/16 - 40/84 is 865/168.
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,
90/16 = 90 × 21/16 × 21 = 1890/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
40/84 = 40 × 4/84 × 4 = 160/336 - Subtract the two like fractions:
1890/336 - 160/336 = 1890 - 160/336 = 1730/336 - After reducing the fraction, the answer is 865/168
- In mixed form: 525/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-80/84 90/32-40/84 90/48-40/84 90/80-40/84