Subtract 2/90 from 4/16
4/16 - 2/90 is 41/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
4/16 = 4 × 45/16 × 45 = 180/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
2/90 = 2 × 8/90 × 8 = 16/720 - Subtract the two like fractions:
180/720 - 16/720 = 180 - 16/720 = 164/720 - After reducing the fraction, the answer is 41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-2/90 4/16-4/90 4/32-2/90 12/16-2/90 4/16-6/90 4/48-2/90 20/16-2/90 4/16-10/90 4/80-2/90 28/16-2/90 4/16-14/90