Question

verify the following values
answer me fast
with full method ​

Answer 1

Answer:

Step-by-step explanation: So,here we have the identity a+(b+c)=(a+b)+c

given that 2/5+(3/8+7/10)=(2/5+3/8)+7/10

Answer 2

Answer:

59/40=59/40

Step-by-step explanation:

2/5+(3/8+7/10)=(2/5+3/8)+7/10

2/5+(15+28)=(16+15)+7/10

40. 40

2/5+43/40=31/40+7/10

16+43. =. 31+28.

40. 40

59/40 = 59/40