Question

5 3/15 + 3 12/15 смешанные числа/

Answer 1

    3        12        15
5-----+3----- = 8 ----- = 9
   15       15        15 

Answer 2

5 3/15 + 3 12/15 = 78/15 + 57/15 = 9

Answer 3

To add the mixed numbers 5 3/15 and 3 12/15, we first need to convert both mixed numbers into improper fractions and then perform the addition.

Step 1: Convert mixed numbers to improper fractions: 5 3/15 = (5 * 15 + 3) / 15 = 78/15 3 12/15 = (3 * 15 + 12) / 15 = 57/15

Step 2: Add the fractions: 78/15 + 57/15 = (78 + 57) / 15 = 135/15

Step 3: Simplify the fraction (if possible): The fraction 135/15 can be simplified by dividing both the numerator and denominator by their greatest common divisor (GCD), which is 15.

135 ÷ 15 = 9 15 ÷ 15 = 1

So, the simplified result is 9/1, which is equivalent to just 9.

Therefore, 5 3/15 + 3 12/15 = 9.