Subtract 2/7 from 18/63
18/63 - 2/7 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
2/7 = 2 × 9/7 × 9 = 18/63 - Subtract the two like fractions:
18/63 - 18/63 = 18 - 18/63 = 0/63 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63-2/7 18/63-4/7 18/63-2/14 54/63-2/7 18/63-6/7 18/63-2/21 90/63-2/7 18/63-10/7 18/63-2/35 18/63-14/7 18/63-2/49