Subtract 12/8 from 80/5
1st number: 16 0/5, 2nd number: 1 4/8
80/5 - 12/8 is 29/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
80/5 = 80 × 8/5 × 8 = 640/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Subtract the two like fractions:
640/40 - 60/40 = 640 - 60/40 = 580/40 - After reducing the fraction, the answer is 29/2
- In mixed form: 141/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-24/8 80/10-12/8 80/5-12/16 80/5-36/8 80/15-12/8 80/5-12/24 80/5-60/8 80/25-12/8 80/5-12/40 80/5-84/8 80/35-12/8 80/5-12/56