Question

VA ROG MULT DIN SUFLET

Answer 1

2 3/4 = (2×4+3) = 11/4
1 1/2 = (1×2+1) = 3/2


(a/b × 11/4) - (a/b × 3/2) = 15/16

11a/4b - 3a/2b = 15/16

11a/4b - 6a/4b = 15/16

5a/4b = 15/16

5a × 16 = 4b×15 |:4

5a × 4 = b × 15 |:5

4 × a = 3 ×b

(a ; b) = (3;4); (6;8); (12;16); (24;32); (48;64); (96;128) .