Subtract 12/63 from 1/8
1/8 - 12/63 is -11/168.
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,
1/8 = 1 × 63/8 × 63 = 63/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Subtract the two like fractions:
63/504 - 96/504 = 63 - 96/504 = -33/504 - After reducing the fraction, the answer is -11/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-12/63 1/8-24/63 1/16-12/63 3/8-12/63 1/8-36/63 1/24-12/63 5/8-12/63 1/8-60/63 1/40-12/63 7/8-12/63 1/8-84/63 1/56-12/63