7/9ths
(one fourth) times (four of anything) is (one of them). so 1/9.
1/3 kilo
You have to first get the eighths and the ninths to the same fraction. Multiply 8 by 9 = 64ths. Then cross - multiply the top numbers by the opposite dividend. Ie. 7x9(ths) and 4x8(ths) and add them together = 63+32 = 95/64ths = 1 31/64ths
If you cant find a common denominator for two numbers you multiply them together which in this case would be 72 then you just symplify.
Seven ninths minus four ninths is 1/3.
The sum of 4/9 and 1/4 is 25/36.
Assuming you mean four-ninths of 72, you should initially work out one-ninth - which is 72/9= 8. Then multiply your answer for one-ninth by four, to get the answer for four ninths: 8 x 4= 32.
Four and four-ninths
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3 times four ninths is 12 ninths
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
The reciprocal of one fourth is four. This means that when you multiply one fourth by its reciprocal, the result is one.