substract 7/9 - 9/21
Answers
Answered by
2
Answer:
22/63
Step-by-step explanation:
7/9 - 9/21
=49/63 - 27/63
=22/63
May it helps you.
Answered by
0
Answer:
7/9-9/21
LCM=63
63 divided by 9
=7
63 divided by 21
=3
7X7=49
3X9=27
49-27/63
=22/63
Answered by
0
Answer:
7/9-9/21
LCM=63
63 divided by 9
=7
63 divided by 21
=3
7X7=49
3X9=27
49-27/63
=22/63
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