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If your child is** in fourth grade** (9-10 years old), maybe you have already started studying** the fractions**. And there are many ways to explain how you operate with them. But the simplest thing is to resort to little tricks to simplify everything and make math more fun.

We explain **what is the butterfly trick** to teach children **to add fractions** in a very simple way. We also warn you of two more variants that you can find.

1. To apply **the butterfly trick** you must place the fractions with which you are going to work and imagine the wings of a butterfly. You draw them facing the numbers in this way. For example, we add 4/3 and 5/2 in this way. See how the butterfly's wings are drawn:

2. Then **you draw the antennae of the butterfly**. Each antenna will indicate the result of a multiplication. The antenna on the right is the result of multiplying the numbers of the right wing in this case, 5x3, which gives us 15) and the left antenna the result of multiplying the numbers of the left wing (in our case, 4x2, which gives us 8 ).

3. Once you have your two results next to the antennas, **you draw the body of the butterfly**, and inside you write down the result of multiplying the two numbers below, the denominators. In this case, the result is 6.

4. Now **we calculate the final result in this way:** the numerator will be the result of adding the two numbers of the antennas (8 + 15). And the denominator, the number that we write on the body of the butterfly (6).

But be careful ... If the numbers facing each other when drawing the butterfly's wings** they are not even or odd, but an even and an odd mix**, you will have to do one more operation. When you have all the numbers, with your final fraction, you must calculate half the numerator and half the denominator ... look:

The simplest addition operation between fractions happens **when the denominator of both fractions is the same**. In that case, forget the butterfly. The only thing you will have to do is put the same denominator as the final denominator that is repeated in the two fractions. The final numerator will be the sum of the two numerators of the fractions you add.

You can read more articles similar to **Trick of the butterfly to teach children to add fractions**, in the On-Site Learning category.