20/45 + 18/45 = 38/45
4/9 x 45 = 20
It is: 4/9 times 4/5 = 16/4516/45
Seven ninths minus four ninths is 1/3.
Four and four-ninths
The common denominator of four fifths and two ninths is 45.
20/45 + 18/45 = 38/45
(4/9) / 5 = 4/45
4/9 x 45 = 20
It is: 4/9 times 4/5 = 16/4516/45
2/9 + 4/510/45 + 36/4546/45 or 1 1/45
Seven ninths minus four ninths is 1/3.
n
Four and four-ninths
3 times four ninths is 12 ninths
1/5 + 4/9 =9/45 + 20/45 =29/45
LCD of 9 and 5 = 45 so equivalent fractions are 25/45 and 36/45. The latter is clearly the larger ie four fifths