Solution: 77.87 as a fraction is 7787/100
Methods
Converting 77.87 to a fraction, Step-by-Step
Step 1:
The first step to converting 77.87 to a fraction is to re-write 77.87 in the form p/q where p and q both are positive integers. To start with, 77.87 can be written as simply 77.87/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 77.87, which in this case is 2. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 77.87/1 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 77.87/1 each by 100:
77.87
×
100
1
×
100
=
7787
100
\frac{77.87 × 100}{1 × 100} = \frac{7787}{100}
1 × 100 77.87 × 100 = 100 7787
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out:
7787
100
=
7787
100
\frac{7787}{100} = \frac{7787}{100}
100 7787 = 100 7787
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