Add 12/8 and 80/10
1st number: 1 4/8, 2nd number: 8 0/10
12/8 + 80/10 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
80/10 = 80 × 4/10 × 4 = 320/40 - Add the two like fractions:
60/40 + 320/40 = 60 + 320/40 = 380/40 - 380/40 simplified gives 19/2
- So, 12/8 + 80/10 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+80/10 12/16+80/10 12/8+80/20 36/8+80/10 12/24+80/10 12/8+80/30 60/8+80/10 12/40+80/10 12/8+80/50 84/8+80/10 12/56+80/10 12/8+80/70