Subtract 14/90 from 35/2
1st number: 17 1/2, 2nd number: 14/90
35/2 - 14/90 is 1561/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
35/2 = 35 × 45/2 × 45 = 1575/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
14/90 = 14 × 1/90 × 1 = 14/90 - Subtract the two like fractions:
1575/90 - 14/90 = 1575 - 14/90 = 1561/90 - In mixed form: 1731/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-14/90 35/2-28/90 35/4-14/90 35/2-42/90 35/6-14/90 35/2-70/90 35/10-14/90 35/2-98/90 35/14-14/90