Subtract 45/84 from 80/10
1st number: 8 0/10, 2nd number: 45/84
80/10 - 45/84 is 209/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
80/10 = 80 × 42/10 × 42 = 3360/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Subtract the two like fractions:
3360/420 - 225/420 = 3360 - 225/420 = 3135/420 - After reducing the fraction, the answer is 209/28
- In mixed form: 713/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-90/84 80/20-45/84 80/30-45/84 80/50-45/84 80/70-45/84