Subtract 1/63 from 18/5
1st number: 3 3/5, 2nd number: 1/63
18/5 - 1/63 is 1129/315.
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,
18/5 = 18 × 63/5 × 63 = 1134/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
1/63 = 1 × 5/63 × 5 = 5/315 - Subtract the two like fractions:
1134/315 - 5/315 = 1134 - 5/315 = 1129/315 - In mixed form: 3184/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5-1/63 18/5-2/63 18/10-1/63 54/5-1/63 18/5-3/63 18/15-1/63 90/5-1/63 18/5-5/63 18/25-1/63 18/5-7/63 18/35-1/63