how is 21/15 = 7/5 can you explain step by step
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3 is the HCF of 21 and 15
So to get the simplest from divide both numbers by their HCF
(21÷3)/(15÷3)=7/5
So to get the simplest from divide both numbers by their HCF
(21÷3)/(15÷3)=7/5
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21 /15 if we divide it by three so 3×7=21and 3×5=15
I hope you will understand
I hope you will understand
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