Subtract: $$- \frac { 2 } { 7 } - \frac { 5 } { 7 }$$
A) $- \frac { 1 } { 7 }$
B)1
C)- 1
D) $\frac { 7 } { 14 }$

Name: Subtract: \[- \frac { 2 } { 7 } - \frac { 5 } { 7 }\] A) $- \frac { 1 } { 7 }$ B)1 C)- 1 D) $\frac { 7 } { 14 }$
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Question

Quizplus · Accepted Answer

To subtract fractions, we need to have a common denominator. In this case, the common denominator is 7. So, we can rewrite the fractions as $$- \frac { 2 } { 7 } - \frac { 5 } { 7 } = -\frac{2+5}{7}= -\frac{7}{7}= -1.$$ Therefore, the answer is C: -1.

Subtract −27−57- \frac { 2 } { 7 } - \frac { 5 } { 7 }−72​−75​

Subtract $- \frac { 2 } { 7 } - \frac { 5 } { 7 }$