Question
What is the value of
7/9-11/12+12/16-1/8?Solution
7/9-11/12+12/16-1/8 Lcm of 9,12,16,8 =144 {(7/9) ×144-(11/12) ×144+(12/16) ×144-(1/8) ×144?}/144 = {112-132+108-18}/144 = {220-150)/144 =70/144 =35/72
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