Subtract 90/5 from 48/9
1st number: 5 3/9, 2nd number: 18 0/5
48/9 - 90/5 is -38/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
48/9 = 48 × 5/9 × 5 = 240/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Subtract the two like fractions:
240/45 - 810/45 = 240 - 810/45 = -570/45 - After reducing the fraction, the answer is -38/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/9-90/5 48/18-90/5 48/9-90/10 48/27-90/5 48/9-90/15 48/45-90/5 48/9-90/25 48/63-90/5 48/9-90/35