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umka2103 [35]
2 years ago
9

Evaluate. 21 + } + (-)) - Enter your answer as a mixed number in simplest form in the box.

Mathematics
1 answer:
andrew-mc [135]2 years ago
3 0

Evaluate: 2(1/4) + 2/5 ÷ (-1/2) - 1/4

⇛9/4 + 2/5 ÷ (-1/2) - 1/4

Take the LCM of the 4 and 5 is 20.

Again, 2 and 4 is 4.

⇛[(54+8)/20] ÷ [(-2 - 1)/4]

⇛62/20 ÷ (-3/4)

⇛62/20 × 4/-3

⇛62/{5*(-3)}

⇛62/-15.

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