First you have to check if they are in standard form:
= -3/7,8/9 YES
Now we will take the lcm of denominators:
LCM of 7/9= 63
Now we will find the equivalent numbers:
1.-3/7= 27/63
(-3×9=27, 7×9=63)
2. 8/9= 24 /63
Now we will compare the following numbers as they have same denominators:
=24/63<27/63
HENCE WE CAN PROVE THAT -3/7 IS BIGGER THAN 8/9.
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First you have to check if they are in standard form:
= -3/7,8/9 YES
Now we will take the lcm of denominators:
LCM of 7/9= 63
Now we will find the equivalent numbers:
1.-3/7= 27/63
(-3×9=27, 7×9=63)
2. 8/9= 24 /63
Now we will compare the following numbers as they have same denominators:
=24/63<27/63
HENCE WE CAN PROVE THAT -3/7 IS BIGGER THAN 8/9.