Subtract 2/4 from 80/10
1st number: 8 0/10, 2nd number: 2/4
80/10 - 2/4 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
80/10 = 80 × 2/10 × 2 = 160/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Subtract the two like fractions:
160/20 - 10/20 = 160 - 10/20 = 150/20 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-2/4 80/10-2/8 80/10-6/4 80/30-2/4 80/10-2/12 80/10-10/4 80/50-2/4 80/10-2/20 80/10-14/4 80/70-2/4 80/10-2/28