subtracting -3/7 from 2/3
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Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 3 × 4 = 12,
2
3
=
2 × 4
3 × 4
=
8
12
Likewise, for the 2nd fraction, since 4 × 3 = 12,
3
4
=
3 × 3
4 × 3
=
9
12
Subtract the two like fractions:
8
12
-
9
12
=
8 - 9
12
=
-1
12
Step-by-step explanation:
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