Respuesta :

Answer:

Step-by-step explanation:

57/100 + 3/10

they need common denominators so a common denominator is 100

so 10x10=100 and 3x10= 30 so we now got

57/100 + 30/100 which is 87/100

Answer: k so u change the 3/10 x by 10 numerator and denominator by that 10 and just add 57+30 which is 87/100

ENJOY