Subtract 98/90 from 4/75
1st number: 4/75, 2nd number: 1 8/90
4/75 - 98/90 is -233/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
4/75 = 4 × 6/75 × 6 = 24/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
98/90 = 98 × 5/90 × 5 = 490/450 - Subtract the two like fractions:
24/450 - 490/450 = 24 - 490/450 = -466/450 - After reducing the fraction, the answer is -233/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/75-98/90 12/75-98/90 20/75-98/90 28/75-98/90