Add

1/4 + 3/10 + 14/15

2 answers

This is what I get.
15/60 + 18/60 + 56/60 = 89/60 =1.483
Is it correct
yes, the fraction answer is correct
to maintain the full accuracy in your decimal answer you might want to indicate the the decimal repeats

89/60 = 1.48333...