A fraction become 8/11 if 2 is added to both numerator and denominator it becomes 5/6. Find the fraction
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Answer:
sᴇᴀʀᴄʜ-ɪᴄᴏɴ-ʜᴇᴀᴅᴇʀ
ᴀ ғʀᴀᴄᴛɪᴏɴ ʙᴇᴄᴏᴍᴇs
11
9
ɪғ 2 ɪs ᴀᴅᴅᴇᴅ ᴛᴏ ʙᴏᴛʜ ᴛʜᴇ ɴᴜᴍᴇʀᴀᴛᴏʀ ᴀɴᴅ ᴛʜᴇ ᴅᴇɴᴏᴍɪɴᴀᴛᴏʀ. ɪғ 3 ɪs ᴀᴅᴅᴇᴅ ᴛᴏ ʙᴏᴛʜ ᴛʜᴇ ɴᴜᴍᴇʀᴀᴛᴏʀ ᴀɴᴅ ᴛʜᴇ ᴅᴇɴᴏᴍɪɴᴀᴛᴏʀ ɪᴛ ʙᴇᴄᴏᴍᴇs
6
5
, ғɪɴᴅ ᴛʜᴇ ғʀᴀᴄᴛɪᴏɴ.
ᴍᴇᴅɪᴜᴍ
sᴏʟᴜᴛɪᴏɴ
ᴠᴇʀɪғɪᴇᴅ
ᴠᴇʀɪғɪᴇᴅ ʙʏ ᴛᴏᴘᴘʀ
ʟᴇᴛ ᴛʜᴇ ғʀᴀᴄᴛɪᴏɴ ʙᴇ
ʏ
x
ɢɪᴠᴇɴ ᴛʜᴀᴛ
ʏ+2
x+2
=
11
9
⇒11x+22=9ʏ+18
⇒11x−9ʏ+4=0→ɪ
⇒
ʏ+3
x+3
=
6
5
⇒6x+18=5ʏ+15
⇒6x−5ʏ+3=0→ɪɪ
⇒ɪ×5−ɪɪ×9
⇒55x−45ʏ+20=0
⇒54x−45ʏ+27=0
ᴇǫ(ɪ)−ᴇǫ(ɪɪ)
⇒x−7=0
⇒x=7
⇒ʏ=
9
11x+4
=
9
11(7)+4
=
9
81
=9
∴ғʀᴀᴄᴛɪᴏɴ ɪs
ʏ
x
=
9
7
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