Add 40/80 and 8/10
40/80 + 8/10 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
8/10 = 8 × 8/10 × 8 = 64/80 - Add the two like fractions:
40/80 + 64/80 = 40 + 64/80 = 104/80 - 104/80 simplified gives 13/10
- So, 40/80 + 8/10 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+16/10 40/80+8/20 40/80+24/10 40/80+8/30 40/80+40/10 40/80+8/50 40/80+56/10 40/80+8/70