Question

what should be subtracted from the product of the two rational number 3 upon 5 and minus 2 upon 13 to get minus 3​

Answer 1

we need to subtract 189/65

Answer 2

We will learn about subtraction of rational numbers. If a/b and c/d are two rational numbers, then subtracting c/d from a/b means adding additive inverse (negative) of c/d to a/b. The subtracting of c/d from a/b is written as a/b - c/d. need 5o substract ¹⁸⁹/⁶⁴