Question

what should be subtracted from 85 1/2 to get 21 1/8​

Answer 1

851/2 - x = 211/8

851/2 - 211/8 = x

4204-211/8 = x

x= 3993/8

ANSWER =  3993/8

Answer 2

Answer:

$let \: x \: be \: subtracted \: from \: 85 \frac{1}{2} \: to \: get \: 21 \frac{1}{8} . \\ \\ then \: \: \: 85 \ \frac{1}{2} - x = 21 \times \frac{1}{8} \\ \\ \frac{171}{2} - x = \frac{169}{8} \\ \\ x = \frac{171 }{2} - \frac{169}{8} = \frac{684 - 169}{8} = \frac{515}{8} = 64 \ \frac{3}{8}$

$Hence \: the \: required \: number \: to \: be \: \: subtracted \: = 64 \ \frac{3}{8}$

Hope it helps you ⛄