Question

What number should be subtracted from -3/4 so as to get 5/6?​

Answer 1

ʜᴇʏ,

ɪɴ ᴛʜɪs ǫᴜᴇsᴛɪᴏɴ ᴡᴇ sᴜʙᴛʀᴀᴄᴛ ᴛᴏᴛᴀʟ ɴᴏ. ғʀᴏᴍ ᴀɴᴏᴛʜᴇʀ ɴᴏ. ᴀɴᴅ ᴡᴇ ɢᴇᴛ ᴀɴsᴡᴇʀ ᴀʟsᴏ...

$= \frac{ - 3}{ \: 4} - \frac{5}{6} \\ \\ = \frac{ - 3}{4} \times \frac{3}{3} - \frac{5}{6} \times \frac{2}{2} \\ \\ = \frac{ - 9}{12} - \frac{10}{12} \\ \\ = \frac{ - 9 - 10}{12} \\ \\ = \frac{19}{12}$

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