Add 8/12 and 40/80
8/12 + 40/80 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
8/12 = 8 × 20/12 × 20 = 160/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
40/80 = 40 × 3/80 × 3 = 120/240 - Add the two like fractions:
160/240 + 120/240 = 160 + 120/240 = 280/240 - 280/240 simplified gives 7/6
- So, 8/12 + 40/80 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+40/80 8/24+40/80 24/12+40/80 8/36+40/80 40/12+40/80 8/60+40/80 56/12+40/80 8/84+40/80