How much is four sevenths less than three fifths? 3/5-4/7 *3/4=6/35
Three fifths: X = four fifths: four sevenths solution ratio 3/5: X = 4/5: 4/7.
(4/5)x=(3/5)*(4/7)
4x= 12/7
x=3/7
Compared with five-fifths and three-fifths, whose score unit is larger than five-fifths and three-fifths.
Because the decimal unit of 5/7 is 1/7, and the decimal unit of 3/5 is 1/5, and 1/7 is less than 1/5.
Compared with three fifths, three fifths has a larger decimal unit.
Simplified integer ratio: four fifths to four sevenths, three fourths to three fourths, four fifths to four sevenths. Simplify denominators 5 and 7 by 35 respectively, which equals 28 to 20. To simplify it again, dividing by 4 equals 7 to 5.
Three-to-three-fourths simplification: first, convert three-fourths into decimal 0.75, use 0.75*20= 15, 3*20=60, then simplify, and divide by 15, which is equal to 1 to 4.
Do you give bonus points?
Compared with three-fifths, the score of five-fifths is smaller, the score of three-fifths is larger and the score is smaller.
If three fifths of A = four sevenths of B, then the answer is
b
The simplest integer ratio of three fifths to four sevenths in the wallpaper market is 3/5:4/7.
=3/5*7/4
=2 1:20
Use the method of calculating ratio, which is faster.
The ratio of three fifths to four sevenths to the simplest integer is (), and the ratio is (). The ratio of three fifths to four sevenths to the simplest integer is (2 1:20), and the ratio is (2 1/20).
Solution: The original ratio is:
3/5:4/7
=3/5÷4/7
=3/5x7/4
=2 1/20
=2 1:20
Three fifths and four sevenths, which comes first?
3/5=2 1/35
4/7=20/35
Because: 21/35 >; 20/35
So: 3/5 > 4/7