1.8 as a fraction

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1.8 = 95 = 145 as a fraction

To convert the decimal 1.8 to a fraction, just follow these steps:

Step 1: Write down the number as a fraction of one:

1.8 = 1.81

Step 2: Multiply both top and bottom by 10 for every number after the decimal point:

As we have 1 numbers after the decimal point, we multiply both numerator and denominator by 10. So,

1.81 = (1.8 × 10)(1 × 10) = 1810.

Step 3: Simplify (or reduce) the above fraction by dividing both numerator and denominator by the GCD (Greatest Common Divisor) between them. In this case, GCD(18,10) = 2. So,

(18÷2)(10÷2) = 95 when reduced to the simplest form.

As the numerator is greater than the denominator, we have an IMPROPER fraction, so we can also express it as a MIXED NUMBER, thus 1810 is also equal to 145 when expressed as a mixed number.

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