simplify7/10 - 4/15
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Algebra Examples
Popular Problems Algebra Subtract 7/10-4/15
7
10
−
4
15
To write
7
10
as a fraction with a common denominator, multiply by
3
3
.
7
10
⋅
3
3
−
4
15
To write
−
4
15
as a fraction with a common denominator, multiply by
2
2
.
7
10
⋅
3
3
−
4
15
⋅
2
2
Write each expression with a common denominator of
30
, by multiplying each by an appropriate factor of
1
.
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7
⋅
3
30
−
4
⋅
2
30
Combine the numerators over the common denominator.
7
⋅
3
−
4
⋅
2
30
Simplify the numerator.
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13
30
The result can be shown in multiple forms.
Exact Form:
13
30
Decimal Form:
0.4
¯
3
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