Evaluate 21-9 3/4

Math
21-934
Convert 934 to an improper fraction.
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A mixed number is an addition of its whole and fractional parts.
21-(9+34)
Add 9 and 34.
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To write 9 as a fraction with a common denominator, multiply by 44.
21-(9⋅44+34)
Combine 9 and 44.
21-(9⋅44+34)
Combine the numerators over the common denominator.
21-9⋅4+34
Simplify the numerator.
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Multiply 9 by 4.
21-36+34
Add 36 and 3.
21-394
21-394
21-394
21-394
To write 21 as a fraction with a common denominator, multiply by 44.
21⋅44-394
Combine 21 and 44.
21⋅44-394
Combine the numerators over the common denominator.
21⋅4-394
Simplify the numerator.
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Multiply 21 by 4.
84-394
Subtract 39 from 84.
454
454
The result can be shown in multiple forms.
Exact Form:
454
Decimal Form:
11.25
Mixed Number Form:
1114
Evaluate 21-9 3/4

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