Subtract 6/16 from 5/90
5/90 - 6/16 is -23/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
5/90 = 5 × 8/90 × 8 = 40/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
6/16 = 6 × 45/16 × 45 = 270/720 - Subtract the two like fractions:
40/720 - 270/720 = 40 - 270/720 = -230/720 - After reducing the fraction, the answer is -23/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90-6/16 5/90-12/16 5/90-6/32 15/90-6/16 5/90-18/16 5/90-6/48 25/90-6/16 5/90-30/16 5/90-6/80 35/90-6/16 5/90-42/16