Subtract 12/63 from 18/8
1st number: 2 2/8, 2nd number: 12/63
18/8 - 12/63 is 173/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
18/8 = 18 × 63/8 × 63 = 1134/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Subtract the two like fractions:
1134/504 - 96/504 = 1134 - 96/504 = 1038/504 - After reducing the fraction, the answer is 173/84
- In mixed form: 25/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8-12/63 18/8-24/63 18/16-12/63 54/8-12/63 18/8-36/63 18/24-12/63 90/8-12/63 18/8-60/63 18/40-12/63 18/8-84/63 18/56-12/63