It means that 15 times another number equals to your equation.
Answer:
1/4
2 x 1/8 is also 1/8 + 1/8 and that is then 2/8 and after that when you simplify you get 1/4.
Use two unit fractions to convert this measurement.
4.6 mm to km
0.0000046
Work Shown:
1 pack of white = 2 shirts = A
1 pack of blue = 6 shirts
5 packs of blue = 5*6 = 30 shirts = B
A+B = 2 white shirts + 30 blue shirts = 32 shirts total