Question

Subtract 7 over 8 from 5 over21

Answer 1

Answer:

-107/168 = -0.63

Step-by-step explanation:

$\frac{5}{21} -\frac{7}{8} \\\\Taking LCM,\\\\\frac{8(5)-21(7)}{168} \\\\\frac{40-147}{168} \\\\\frac{-107}{168} \\\\-0.63$