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22 February, 08:12

Your skateboard ramp is 2⅜ feet high. Your friend's skateboard ramp is 2²/5 high. Which skateboard ramp is higher?

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  1. 22 February, 08:23
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    So what you want to do here is get the fractions to have the same denominator.

    To do this, you first want to get rid of the 2 from each number.

    You can just subtract 2 from each because that won't truly impact the difference, except for if they were different, as in something like 3 2/5 and 4 2/5

    So you're left with the fractions 3/8 and 2/5.

    Now to get them to have the same denominator, you first find the LCM, or least common multiple. This can be found by just multiplying 8 and 5 together.

    8 * 5 = 40

    So what you can say is:

    3/8 * 5/5 = ?

    Since 5/5 = 1.

    3/8 * 5/5 = 15/40

    2/5 * 8/8 = 16/40

    So if you compare the two fractions, you can tell that your friend's skateboard ramp is slightly higher.
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