Subtract 84/10 from 50/45
1st number: 1 5/45, 2nd number: 8 4/10
50/45 - 84/10 is -328/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Subtract the two like fractions:
100/90 - 756/90 = 100 - 756/90 = -656/90 - After reducing the fraction, the answer is -328/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-84/10 50/45-84/20 50/45-84/30 50/45-84/50 50/45-84/70