Question

subtract 21/11 - 10/12​

Answer 1

$\frac{21}{11} - \frac{10}{12} \\ \frac{252 - 110}{130} \\ = \frac{142}{130} = \frac{71}{65}$

Answer 2

Answer:

= 21/11*12/12 = 252/132

= 10/12*11/11 = 110/132

= 252/132-110/132 = 142/132

Ans = 71/66

Step-by-step explanation:

LCM of 12 and 11 = 12*11 as they are co-primes

142/132 is simplified by 2 to get 71/66

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