Respuesta :

calculista
we have
7/10 - 4/10

1) fractions that have a common denominator
Combine the numerators together, put the  difference over the common denominator 
(7-4)/10=3/10
2) reduce to lowest terms if possible
3/10=0.30

the answer is 0.30

Answer:

4/10

Step-by-step explanation:

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