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प्रश्न
Neelam’s father needs `1 3/4` m of cloth for the skirt of Neelam’s new dress and `1/2` m for the scarf. How much cloth must he buy in all?
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उत्तर
Neelam’s father purchased the length of cloth for the skirt = `1 3/4` m = `7/4` m and for the scarf = `1/2` m
∴ Total length he buys in all = `7/4` m + `1/2` m
= `7/4` m + `(1 xx 2)/(2 xx 2)` m
= `7/4` m + `2/4` m ...[∵ L.C.M. of 4 and 2 is 4]
= `((7 + 2))/4` m
= `9/4` m or `2 1/4` m
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