Subtract 32/5 from 1/90
1st number: 1/90, 2nd number: 6 2/5
1/90 - 32/5 is -115/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
32/5 = 32 × 18/5 × 18 = 576/90 - Subtract the two like fractions:
1/90 - 576/90 = 1 - 576/90 = -575/90 - After reducing the fraction, the answer is -115/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-32/5 1/90-64/5 1/90-32/10 3/90-32/5 1/90-96/5 1/90-32/15 5/90-32/5 1/90-32/25 7/90-32/5 1/90-32/35