Subtract 14/63 from 90/5
1st number: 18 0/5, 2nd number: 14/63
90/5 - 14/63 is 160/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
90/5 = 90 × 63/5 × 63 = 5670/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
14/63 = 14 × 5/63 × 5 = 70/315 - Subtract the two like fractions:
5670/315 - 70/315 = 5670 - 70/315 = 5600/315 - After reducing the fraction, the answer is 160/9
- In mixed form: 177/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-28/63 90/10-14/63 90/5-42/63 90/15-14/63 90/5-70/63 90/25-14/63 90/5-98/63 90/35-14/63