When adding fractions, the first step is to make sure the denominators (the bottom numbers) are the same.

For example, let’s say we want to add 1/4 and 3/8.

Step 1: Find a common denominator.

The multiples of 4 are: 4, 8, 12, 16, 20, 24, …

The multiples of 8 are: 8, 16, 24, 32, …

The smallest multiple they have in common is 8.

Step 2: Rewrite each fraction using the common denominator.

1/4 can be rewritten as 2/8 (multiply the numerator and denominator by 2).

3/8 stays the same because the denominator is already 8.

Step 3: Add the fractions by adding the numerators and keeping the denominator the same.

2/8 + 3/8 = 5/8

So, 1/4 + 3/8 = 5/8.

I hope that helps! Let me know if you have any other questions.

## substraction fraction

When subtracting fractions, the first step is also to make sure the denominators (the bottom numbers) are the same.

For example, let’s say we want to subtract 1/3 from 2/3.

Step 1: Find a common denominator.

The least common multiple (LCM) of 3 is 3.

Step 2: Rewrite each fraction using the common denominator.

2/3 stays the same because the denominator is already 3.

1/3 can be rewritten as 1/3 * 3/3 = 3/9 (multiply the numerator and denominator by 3).

Step 3: Subtract the fractions by subtracting the numerators and keeping the denominator the same.

2/3 – 3/9 = 6/9 – 3/9 = 3/9

Step 4: Simplify the fraction, if possible.

3/9 can be simplified by dividing the numerator and denominator by their greatest common factor (GCF), which is 3.

3/9 ÷ 3/3 = 1/3

So, 2/3 – 1/3 = 1/3.