-1/3 + 3/7 = ?
rational numbers help
Answers
Answered by
1
Answer:
Step-by-step explanation:
Lcm 21
-7+9 /21
=+2/21
answer=2/21
Answered by
0
Step-by-step explanation:
2/21
-1 × 7
3 × 7
+
3 × 3
7 × 3
=
-7
21
+
9
21
=
-7 + 9
21
=
2/21
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