Subtract 4/16 from 6/90
6/90 - 4/16 is -11/60.
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,
6/90 = 6 × 8/90 × 8 = 48/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
4/16 = 4 × 45/16 × 45 = 180/720 - Subtract the two like fractions:
48/720 - 180/720 = 48 - 180/720 = -132/720 - After reducing the fraction, the answer is -11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-4/16 6/90-8/16 6/90-4/32 18/90-4/16 6/90-12/16 6/90-4/48 30/90-4/16 6/90-20/16 6/90-4/80 42/90-4/16 6/90-28/16