Solution: 90.42 as a fraction is 4521/50
Methods
Converting 90.42 to a fraction, Step-by-Step
Step 1:
The first step to converting 90.42 to a fraction is to re-write 90.42 in the form p/q where p and q both are positive integers. To start with, 90.42 can be written as simply 90.42/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 90.42, which in this case is 2. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 90.42/1 each by 10 to the power of that many digits. For instance, for 0.45, there are 2 fractional digits so we would multiply by 100; or for 0.324, since there are 3 fractional digits, we would multiply by 1000. So, in this case, we will multiply the numerator and denominator of 90.42/1 each by 100:
90.42
×
100
1
×
100
=
9042
100
\frac{90.42 × 100}{1 × 100} = \frac{9042}{100}
1 × 100 90.42 × 100 = 100 9042
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out:
9042
100
=
4521
50
\frac{9042}{100} = \frac{4521}{50}
100 9042 = 50 4521
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