Subtract 30/63 from 81/5
1st number: 16 1/5, 2nd number: 30/63
81/5 - 30/63 is 1651/105.
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,
81/5 = 81 × 63/5 × 63 = 5103/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
30/63 = 30 × 5/63 × 5 = 150/315 - Subtract the two like fractions:
5103/315 - 150/315 = 5103 - 150/315 = 4953/315 - After reducing the fraction, the answer is 1651/105
- In mixed form: 1576/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5-60/63 81/10-30/63 81/5-90/63 81/15-30/63 81/25-30/63 81/35-30/63