Convert to a Fraction -21.5

Math
-21.5
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there is 1 number to the right of the decimal point, place the decimal number over 101 (10). Next, add the whole number to the left of the decimal.
-21510
Reduce the fractional part of the mixed number.
-2112
Convert 2112 to an improper fraction.
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A mixed number is an addition of its whole and fractional parts.
-(21+12)
Add 21 and 12.
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To write 21 as a fraction with a common denominator, multiply by 22.
-(21⋅22+12)
Combine 21 and 22.
-(21⋅22+12)
Combine the numerators over the common denominator.
-21⋅2+12
Simplify the numerator.
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Multiply 21 by 2.
-42+12
Add 42 and 1.
-432
-432
-432
-432
Convert to a Fraction -21.5

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