Subtract 14/80 from 90/2
1st number: 45 0/2, 2nd number: 14/80
90/2 - 14/80 is 1793/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
90/2 = 90 × 40/2 × 40 = 3600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
14/80 = 14 × 1/80 × 1 = 14/80 - Subtract the two like fractions:
3600/80 - 14/80 = 3600 - 14/80 = 3586/80 - After reducing the fraction, the answer is 1793/40
- In mixed form: 4433/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-28/80 90/4-14/80 90/2-42/80 90/6-14/80 90/2-70/80 90/10-14/80 90/2-98/80 90/14-14/80