Subtract 14/72 from 90/2
1st number: 45 0/2, 2nd number: 14/72
90/2 - 14/72 is 1613/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
90/2 = 90 × 36/2 × 36 = 3240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
14/72 = 14 × 1/72 × 1 = 14/72 - Subtract the two like fractions:
3240/72 - 14/72 = 3240 - 14/72 = 3226/72 - After reducing the fraction, the answer is 1613/36
- In mixed form: 4429/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-28/72 90/4-14/72 90/2-42/72 90/6-14/72 90/2-70/72 90/10-14/72 90/2-98/72 90/14-14/72