It's a fraction. X is your numerator and 5 is your denominator.
5/6 = 15/x 5x = 90 x = 18 The fraction si 15/18
5/7 ÷ 7/9 = 5/7 x 9/7 = (5 x 9)/(7 x 7) = 45/49
30
Find the least common denominator. Multiply each fraction by whatever will make it the LCD.Example: 1/30 and 1/42Factor them.2 x 3 x 5 = 302 x 3 x 7 = 42Combine the factors, eliminating duplicates.2 x 3 x 5 x 7 = 210, the LCD30 x 7 = 21042 x 5 = 2101/30 x 7/7 = 7/2101/42 x 5/5 = 5/210
It's a fraction. X is your numerator and 5 is your denominator.
5/6 = 15/x 5x = 90 x = 18 The fraction si 15/18
5/7 ÷ 7/9 = 5/7 x 9/7 = (5 x 9)/(7 x 7) = 45/49
30
Sure. 4/5 x 5/4 = 1
Find the least common denominator. Multiply each fraction by whatever will make it the LCD.Example: 1/30 and 1/42Factor them.2 x 3 x 5 = 302 x 3 x 7 = 42Combine the factors, eliminating duplicates.2 x 3 x 5 x 7 = 210, the LCD30 x 7 = 21042 x 5 = 2101/30 x 7/7 = 7/2101/42 x 5/5 = 5/210
2/8 x 5/8= 10/62= 5/31
1/5 x x/35 = 7, 7 as a fraction is 7/1
Find the least common denominator. Multiply each fraction by whatever will make it the LCD.Example: 1/30 and 1/42Factor them.2 x 3 x 5 = 302 x 3 x 7 = 42Combine the factors, eliminating duplicates.2 x 3 x 5 x 7 = 210, the LCD30 x 7 = 21042 x 5 = 2101/30 = 7/2101/42 = 5/210
1/5
It is any number of the form (5*x)/(8*x) where x is a non-zero integer.
When dividing by a fraction the easiest way to deal with this kind of problem is to invert the fraction and then multiply. 125/196 ÷ 5/28 = 125/196 x 28/5 = (125 x 28)/(196 x 5) = 25/7= 34/7.