Subtract 28/8 from 80/10
1st number: 8 0/10, 2nd number: 3 4/8
80/10 - 28/8 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
80/10 = 80 × 4/10 × 4 = 320/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Subtract the two like fractions:
320/40 - 140/40 = 320 - 140/40 = 180/40 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-56/8 80/20-28/8 80/10-28/16 80/10-84/8 80/30-28/8 80/10-28/24 80/50-28/8 80/10-28/40 80/70-28/8 80/10-28/56