ruma had a piece of ribon. she cut ribon into four pieces mesuring 16/3cm,9/4 cm,12/10 cm and 17/15 cm. find the length of ribon
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length of the ribbon = 16/3+9/4+12/10+17/15
LCM of 3 , 4 , 10 , 15 is 60
16/3=320/60
9/4= 135/60
12/10= 72/60
17/15=68/60
320/60 +135/60+ 72/60 +68/60= 320+135+72+68/60= 595/60=119/12
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