The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

Say I wanted to write 3 divided by 4x as an equivalent fraction with a denominator of 8 times x squared times x plus 2. What I must first do is ask myself, "What do I need to multiply 4x by to get 8x ...