Subtract 3/18 from 48/63
48/63 - 3/18 is 25/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
48/63 = 48 × 2/63 × 2 = 96/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Subtract the two like fractions:
96/126 - 21/126 = 96 - 21/126 = 75/126 - After reducing the fraction, the answer is 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/63-3/18 48/63-6/18 48/63-3/36 48/63-9/18 48/63-3/54 48/63-15/18 48/63-3/90 48/63-21/18