Question

please answer my question in explanation​

Answer 1

Answer:

51/10cm -105/15

now we have to make the denominators same

Lcm of the denominators i.e 10 and 15= 5×3×2= 30

5| 10~15

3| 2~3

2| 2~1

|1~1

51/10× 3 = 153/30

105/15×2=210/30

now the denominators are same and we can now minus them

therefore .... 153/30 - 210/30 =67/30

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