Why reading a decimal number correctly to write it as an equivalent fraction?

Step-by-step explanation:

Well, I mean, if you read a decimal incorrectly, what's the point of the fraction if the fraction will end up being incorrect?

Reading 0.5 as 5 will have you write 5/1 instead of 1/2.

So yeah, kinda detrimental.

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47