When multiplying 2 fractions it is not necessary to have like denominators as the product of the 2 fractions is the product of their numerators divided by the product of their denominators, for example
× = =
However, when adding/ subtracting fractions it is essential that they have like denominators.
AAS is your answer because you have 30 and 70 degrees next to each other and they are both angels and then 10 which is a side You would use AAS because that’s the pattern or your triangle
