Basic Math Examples

Simplify 6 3/7*21
6372163721
Step 1
Convert 637637 to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
(6+37)21(6+37)21
Step 1.2
Add 66 and 3737.
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Step 1.2.1
To write 66 as a fraction with a common denominator, multiply by 7777.
(677+37)21(677+37)21
Step 1.2.2
Combine 66 and 7777.
(677+37)21(677+37)21
Step 1.2.3
Combine the numerators over the common denominator.
67+372167+3721
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply 66 by 77.
42+372142+3721
Step 1.2.4.2
Add 4242 and 33.
4572145721
4572145721
4572145721
45721
Step 2
Cancel the common factor of 7.
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Step 2.1
Factor 7 out of 21.
457(7(3))
Step 2.2
Cancel the common factor.
457(73)
Step 2.3
Rewrite the expression.
453
453
Step 3
Multiply 45 by 3.
135
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