Answered

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1 1/5 + 3/4 - (-3 3/5) - (-2 1/4)

Sagot :

syahbanazacki

Step-by-step explanation:

[tex] = 1 \frac{1}{5} + \frac{3}{4} - ( - 3 \frac{3}{5} ) - ( - 2 \frac{1}{4} )[/tex]

[tex] = 1 \frac{1}{5} + \frac{3}{4} + 3 \frac{3}{5} + 2 \frac{1}{4} [/tex]

[tex] = (1 + 3 + 2) + ( \frac{1}{5} + \frac{3}{4} + \frac{3}{5} + \frac{1}{4} )[/tex]

[tex] = 6 + ( \frac{4 + 15 + 12 + 5}{20} )[/tex]

[tex] = 6 + \frac{36}{20} [/tex]

[tex] = 1 + 6 + \frac{16}{20} [/tex]

[tex] = 7 + \frac{4}{5} [/tex]

[tex] = 7 \frac{4}{5} [/tex]

TheUnknownScientist

Answer:

The answer is 61/10

Step-by-step explanation:

1 1/5 + 3/4 - (- 3 3/5) - (- 2 1/4)

1 × 5 + 1/5 + 3/4 - (- 3 × 5 + 3/5) - (- 2 × 4 + 1/4)

6/5 + 3/4 + 12/5 + 7/4

6/5 + 12/5 + 3/4 + 7/4

(6 + 12/5) + (3 + 7/4)

18/5 + 10/4

18/5 + 5/2

Now, Cross Multiply

18 × 2/5 × 2 + 5 × 5/2 × 5

36/10 + 25/10 = 61/10

Thus, The answer is 61/10

-TheUnknownScientist 72

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