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luda_lava [24]
3 years ago
14

.

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0
Lets say you have 5 apples, but the you give away 3 of them.
To work how many you have left you take away.
5-3 = 2

Lets apply this with fractions now.
You have 9/7 yard, but then you give away 7/20 yard.
Now you take them away:
9/7 minus 7/20 = 131/140

Hope this helps :)
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