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Multiply each
6 over a times a over 18
b over 15 times 21 over b

Those are rational expressions or fractions


Sagot :

6 over a times a over 18 is equal to 1 over 3
b over 15 times 21 over b is equal to 7 over 3
The answers are:
1/3

7/3  or  2 1/3 (mixed fraction)

(Hope my attached solution helps.)
View image Аноним