Subtract 14/90 from 90/75
1st number: 1 15/75, 2nd number: 14/90
90/75 - 14/90 is 47/45.
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,
90/75 = 90 × 6/75 × 6 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
14/90 = 14 × 5/90 × 5 = 70/450 - Subtract the two like fractions:
540/450 - 70/450 = 540 - 70/450 = 470/450 - After reducing the fraction, the answer is 47/45
- In mixed form: 12/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75-28/90 90/75-42/90 90/75-70/90 90/75-98/90