1/2+3/8= 7/8
How? So the question is 1/2 + 3/8=? What you do is grab the 1/2 and the 3/8. What is the same? Nothing. But wait! Can't the 2 go into 8? Yes it can! How many times? 4 times! So you get the 2 denominator from 1/2 and times it by 4 and you get 8, right. Then what you do to the bottom you do to the top! So you times the 1 on top and times it by 4. Now you have 4/8+3/8=? Now what is the same? The 8s! When you are adding fractions MAKE SURE THE DENOMINATORS ARE THE SAME!!!
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Answer:
1/2+3/8=7/8
lcm of 2and8
is 8
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