# Evaluate 13/70+38/63 1370+3863
To write 1370 as a fraction with a common denominator, multiply by 99.
1370⋅99+3863
To write 3863 as a fraction with a common denominator, multiply by 1010.
1370⋅99+3863⋅1010
Write each expression with a common denominator of 630, by multiplying each by an appropriate factor of 1.
Multiply 1370 and 99.
13⋅970⋅9+3863⋅1010
Multiply 70 by 9.
13⋅9630+3863⋅1010
Multiply 3863 and 1010.
13⋅9630+38⋅1063⋅10
Multiply 63 by 10.
13⋅9630+38⋅10630
13⋅9630+38⋅10630
Combine the numerators over the common denominator.
13⋅9+38⋅10630
Simplify the numerator.
Multiply 13 by 9.
117+38⋅10630
Multiply 38 by 10.
117+380630
497630
497630
Cancel the common factor of 497 and 630.
Factor 7 out of 497.
7(71)630
Cancel the common factors.
Factor 7 out of 630.
7⋅717⋅90
Cancel the common factor.
7⋅717⋅90
Rewrite the expression.
7190
7190
7190
The result can be shown in multiple forms.
Exact Form:
7190
Decimal Form:
0.78‾
Evaluate 13/70+38/63

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