Question

[Trần Minh Chiêm]

Given fraction 79/184 . If both its denominator and its numerator are increased by M units then the new fraction will equal to 112/252 . The value of M is 

Answer 1

[Huynh Thao Tran]

Theo bài ra ta có: (79 + M)/(184 + M) = 112/252
Suy ra: 252 x (79 + M) = 112 x (184 + M)
19908 + 252 x M = 20608 + 112 x M
252 x M - 112 x M = 20608 - 19908
140 x M = 700
M = 700 : 140 = 5
Vậy: Giá trị của M là 5

Answer 2

[Trần Minh Chiêm]

Thank you very much