Subtract 48/63 from 10/18
10/18 - 48/63 is -13/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
48/63 = 48 × 2/63 × 2 = 96/126 - Subtract the two like fractions:
70/126 - 96/126 = 70 - 96/126 = -26/126 - After reducing the fraction, the answer is -13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-48/63 10/18-96/63 10/36-48/63 30/18-48/63 10/54-48/63 50/18-48/63 10/90-48/63 70/18-48/63