Add 1/5 to 3/10: 1/2

Step-by-Step Solution

15 + 310 = 12

💡 To add fractions, we need them to have the same denominator (bottom number). Think of it like this: you can't add halves to thirds directly - you need to convert them to the same-sized pieces first.

① Step 1: Find a common denominator

We need to find a denominator that works for both fractions. A simple way is to multiply the denominators together:

5 × 10 = 50

② Step 2: Convert both fractions to have this common denominator

For 15: multiply both top and bottom by 10

15 = 1×105×10 = 1050

For 310: multiply both top and bottom by 5

310 = 3×510×5 = 1550

③ Step 3: Now add the numerators

Since the denominators are the same, we can add the top numbers:

1050 + 1550 = 10 + 1550 = 2550

④ Step 4: Simplify to the smallest form

Both 25 and 50 can be divided by their greatest common factor to get:

2550 = 12

✓ Final Answer:

12 or 0.5 in decimal