The simplest integer ratio of 1 / 4:7 / 8 is () and the ratio is ()

The simplest integer ratio of 1:4:8:7 is (2:7) and the ratio is (2 / 7)
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1. The ratio of 3:59 of 8 and 7 is () and the ratio is ()
2. 3.6:6 / 7 (simplest integer ratio and ratio)
3. What is the ratio of 3.6 to 6 / 7
4. The simplest integer ratio of 1 / 3:1 / 6 is (), and its ratio is () By the way, this question: 15 △ 4 / 7 () 4 / 7 3/8÷8（）3/8 5/6÷2/9（）5/6 Fill in greater than, less than or equal to in brackets
5. The quotient of a divided by B is 1.2, and the ratio of a and B is 1.2______ The ratio is______ ．
6. The quotient of number a divided by number B is 3.4, and the ratio of number a to number B is 1______ It's better than that______ ．
7. The quotient of number a divided by number a is 2.5. The ratio of number a to number a is (). The ratio of number a to number a is ()
8. The number a is three times the number B. the quotient of the number a divided by the number B is______ If the number a is reduced by five times, the number B should______ ．
9. The quotient of number a divided by number B is 2.5, and the ratio of number a to number B is______ ．
10. The quotient of number a divided by number B is 1.5, and the ratio of number a to number B is 1______ ：______ ．
11. What is the simplest ratio of 3 / 8 to 9 / 10?
12. The ratio of 9 / 2 to 3.75 is reduced to the simplest integer ratio (), and the ratio is ()
13. The ratio of 2 / 9: 3 / 2 to the simplest integer is (), and the ratio is () Hurry!
14. 4.5:4 / 9 simplest integer ratio, ratio
15. If the ratio of 7 / 6 to 14 / 9 is reduced to the simplest integer, the ratio is () to (). If six is added to the preceding term, to keep the ratio unchanged, the following term should be added ()
16. The ratio of 0.75:9 / 16 to the simplest integer is (), and the ratio is ()
17. The number a is three fifths of the number B. if the number a increases by 26, the quotient of the number B divided by the number a is three fifths. What is the number B? fast
18. The quotient of a divided by B is 3 and 1 / 3. If a is increased by 20, then the number of a is 5 times that of B. what is the original number of B fast
19. The quotient of the number a divided by the number B is 3 and 1 / 3; the number a increases by 20; the number a is 5 times the number B; the formula is
20. The quotient of number a divided by number B is 1.5, and the ratio of number a to number B is 1______ ：______ ．