First let’s set up the problem:
2542÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 25:
25 x 21 = 525
Step 2:
The result of this multiplication will now become the denominator of the answer. The answer to the problem in fraction form can now be seen:
4225⋅21=42525 To display the answer to 42/25 Divided by 21 in decimal form, you can divide the numerator, 525, by the denominator, 42. The answer can be rounded to the nearest three decimal points, if needed:
42525=225=12.5 So, in decimal form, 42 divided by 25/21 = 12.5
And in its simplest fractional form, 42 divided by 25/21 is 25/2