Question

evaluate 11/14+19/10+-9/5+0×-7/4

please answer me in detail ​

Answer 1

$(11 \div 14) + (19 \div 10) + ( - 9 \div 5) + (0 \times - 7 \div 4) \\ = (11 \div 4) + (19 \div 10) + ( - 9 \div 5) + 0 \\ = 11 \div 4 + 19 \div 10 + ( - 9 \div 5)$

Now find the LCM of 4,10,5 which is 20.

$= > 11 \div 4 \times 5 \div 5 = 55 \div 20 \\ = > 19 \div 10 \times 2 \div 2 = 38 \div 20 \\ = > - 9 \div 5 \times 4 \div 4 = - 36 \div 20$

now easily solve,

$55 \div 20 + 38 \div 20 - 36 \div 20 \\ = (55 + 38 - 36) \div 20 \\ = 57 \div 20$

therefore, answer is 57/20

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