Subtract 1/16 from 2/90
2/90 - 1/16 is -29/720.
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,
2/90 = 2 × 8/90 × 8 = 16/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
1/16 = 1 × 45/16 × 45 = 45/720 - Subtract the two like fractions:
16/720 - 45/720 = 16 - 45/720 = -29/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-1/16 2/90-2/16 2/90-1/32 6/90-1/16 2/90-3/16 2/90-1/48 10/90-1/16 2/90-5/16 2/90-1/80 14/90-1/16 2/90-7/16