821/40 = 8.525
It is: 8.525
8 21/40 = 8.525
Divide 21 / 40 on a calculator. Then add the result to 8.If you have a scientific calculator (one that correctly does multiplications and divisions before it does additions and subtractions), you can type directly:8 + 12 / 40
2.625
821/40 = 8.525
It is: 8.525
8 21/40 = 8.525
Divide 21 / 40 on a calculator. Then add the result to 8.If you have a scientific calculator (one that correctly does multiplications and divisions before it does additions and subtractions), you can type directly:8 + 12 / 40
8 21/40 = 821/40= 100 divided by 40 times 821 = your decimal
8 over 40 cancels to a fifth. A fifth = 0.2.
21/8 = 2 and 5/8 or 2.625.
2.625
5/40 = 1/8 = 0.125
8/21 cannot be simplified as there is no common factor to 8 & 21. It can be expressed as a decimal 0.3809523 (to 7 dps)
2 over 5 converts into 16 over 40 1 over 8 converts into 5 over 40 =21 over 40
First set up a proprotion 21 over 8 = x over 100. then cross multiply to get ... 2100 = 8x , then divide both sides by 8 to get 262.5 = x