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8 March, 01:06

What is 1 2/5 + 2 3/10

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  1. 8 March, 04:01
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    Answer: 3 7/10

    Solution by separating parts

    Let's rewrite our equation with the parts separated

    = 1 + 2/5 + 2 + 3/10

    Now, let's add the whole numbers

    1 + 2 = 3

    Now, let's figure out how to solve the fraction parts

    2/5 + 3/10 = ?

    You'll need to find the LCD (Lowest Common Denominator) of 2/5 and 3/10.

    If you don't know, the LCD is 10

    Since 3/10 already has a denominator of 10, we don't need to do anything with it.

    However, we need to multiply the numerator and denominator of 2/5 by 2

    Why? We need the LCD, which is 10. Also, we can only add fractions if they have the same denominators

    Numerator: 2 x 2 = 4

    Denominator: 5 x 2 = 10

    Fraction: 4/10

    Now add the fractions

    4/10 + 3/10 = 7/10

    Finally, combine the whole numbers with the fractions

    3 + 7/10 = 3 7/10
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