What is the answer to 2/5 + 3/8

31 / 40

Step-by-step explanation:

Find the least common denominator or LCM of the two denominators:

LCM of 5 and 8 is 40

For the 1st fraction, since 5 * 8 = 40,

The answer is 31/40.

Step-by-step explanation:

In order to add fractions, the denominators of each fraction must be the same.

1) Find the LCM, Lowest Common Multiple, of 5 and 8.

2) Multiple the entirty of each fraction, the numerator and denominator, by the number that will result in equal denominators.

3) Add numerators, denominators stay the same.