Subtract 90/16 from 1/90
1st number: 1/90, 2nd number: 5 10/16
1/90 - 90/16 is -2021/360.
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,
1/90 = 1 × 8/90 × 8 = 8/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
90/16 = 90 × 45/16 × 45 = 4050/720 - Subtract the two like fractions:
8/720 - 4050/720 = 8 - 4050/720 = -4042/720 - After reducing the fraction, the answer is -2021/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-90/16 1/90-90/32 3/90-90/16 1/90-90/48 5/90-90/16 1/90-90/80 7/90-90/16