Subtract 48/45 from 4/18
1st number: 4/18, 2nd number: 1 3/45
4/18 - 48/45 is -38/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
48/45 = 48 × 2/45 × 2 = 96/90 - Subtract the two like fractions:
20/90 - 96/90 = 20 - 96/90 = -76/90 - After reducing the fraction, the answer is -38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-48/45 4/18-96/45 4/36-48/45 4/18-48/90 12/18-48/45 4/54-48/45 20/18-48/45 4/90-48/45 28/18-48/45