Question

2 upon3 of 3 upon4+ 4 upn 5​

Answer 1

Hope it will helps u mate

Answer 2

2/3 × 3/4+4/5

now we get

1/2 +4/5

take l.c.m. of 2 and 5

now we get

5+8/10

now we get our answer

13/10

1.3ans

hope u get your answer .