Simplify 21/10:
82/5
solution
= 21/10 ÷ 82/5
= 21 ÷ 42
10
5
= 21 x 5
10
42
= 121 x 51 [cancelling by 5 on 5 and 10;
again cancelling by 21 on 21 and 42]
210 422
= 1 x 1
2
2
= 1
4
= 1 : 3
Hence 21/10:
82/5 = 1 : 3
TRY THIS........
Simplify 164/11
: 19/11
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