Answer:
a) 3/8
b) 3/10
Explanation:
multiply the numerators and the denominators and then simplify.
a) is just 3*1 divided by 4*2, no simplification possible
b) is 4*21 divided by 7*40 is 84/280 and simplifies to 3/10 (divide by 28)
a/..the first is 3/8
b/ 84/280
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