Adding Fractions

How do I add fractions to fractions? Fractions lesson 6 Integrated 1A

There is a better way ,[object Object],[object Object],[object Object]

Let’s begin with equal fractions. ,[object Object],Make a new fraction that is equal to one half. Multiply the top number (1) by 2. Multiply the bottom number by the same 2.

Let’s multiply one half by ,[object Object]

Add Another Fraction ,[object Object],[object Object],[object Object]

Add Another Fraction ,[object Object]

Add More ,[object Object],[object Object]

Let’s multiply one third by ,[object Object]

A new list ,[object Object],[object Object]

Going from the known to the unknown ,[object Object],[object Object]

Is one-fourth equal to two-eighths?

Add these two fractions making them both a certain number of eighths We can’t easily add fourths to eighths so we find a number to multiply times four to get eight on the bottom. x2 x2

We are making a addition problem that becomes easier to work with. One eighth doesn’t need to be changed, So just rewrite it. x2 x2

Now add down the right side. Six-eighths plus one-eighth is how many eighths? 7

Get a worksheet (F6) ,[object Object],[object Object],[object Object],Multiples of 4: 4, 8, 12, 16, 20, 24… Multiples of 8: 8, 16, 24, 32… Terms :

Make your denominators the same. ,[object Object],[object Object],x2 x2

Add. ,[object Object],[object Object],x2 x2

Worksheet #5 ,[object Object],[object Object],[object Object],Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16… Multiples of 6: 6, 12, 18, 24, 30…

Make your denominators the same. ,[object Object],[object Object],x? x?

Add down the right column. ,[object Object],x3 x3

Worksheet #9 ,[object Object],[object Object],Multiples of 5: 5, 10, 15, 20, 25, 30,… Multiples of 10: 10, 20, 30, 40, 50…

Is your answer in simplest form? ,[object Object]

Adding Fractions

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Adding Fractions