Subtract 4/90 from 32/25
1st number: 1 7/25, 2nd number: 4/90
32/25 - 4/90 is 278/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
32/25 = 32 × 18/25 × 18 = 576/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450 - Subtract the two like fractions:
576/450 - 20/450 = 576 - 20/450 = 556/450 - After reducing the fraction, the answer is 278/225
- In mixed form: 153/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/25-4/90 32/25-8/90 32/50-4/90 96/25-4/90 32/25-12/90 32/75-4/90 32/25-20/90 32/25-28/90