Respuesta :
Answer:
3/10 + 2/5 = 7/10
Step-by-step explanation:
3/10 shall stay 3/10.
2/5 will be changed into 4/10, because 1/5 = 2/10
Add: 4/10 + 3/10 = 7/10
Hope this helps :)
Multiply the denominator. 10*5=50
Find the numerators. 15/50 and 20/50 will equal 35/50.
Find the numerators. 15/50 and 20/50 will equal 35/50.