Subtract 14/8 from 90/5
1st number: 18 0/5, 2nd number: 1 6/8
90/5 - 14/8 is 65/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
90/5 = 90 × 8/5 × 8 = 720/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
14/8 = 14 × 5/8 × 5 = 70/40 - Subtract the two like fractions:
720/40 - 70/40 = 720 - 70/40 = 650/40 - After reducing the fraction, the answer is 65/4
- In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-28/8 90/10-14/8 90/5-14/16 90/5-42/8 90/15-14/8 90/5-14/24 90/5-70/8 90/25-14/8 90/5-14/40 90/5-98/8 90/35-14/8 90/5-14/56