Subtract 84/9 from 8/45
1st number: 8/45, 2nd number: 9 3/9
8/45 - 84/9 is -412/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
8/45 = 8 × 1/45 × 1 = 8/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Subtract the two like fractions:
8/45 - 420/45 = 8 - 420/45 = -412/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45-84/9 8/90-84/9 8/45-84/18 24/45-84/9 8/45-84/27 40/45-84/9 8/45-84/45 56/45-84/9 8/45-84/63