Converting all to ninths, that is 7 over 9 minus 3 over 9 which gives 4 over 9 as the answer.
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∙ 6y ago2 over 63
2/9
2/9 minus 5/27 = 1/27
5 over 9.
1.928571429 or 27/14
4 over 8
13 over 14
3/10
5/7 − 4/9 = 17/63
29 over 72
6/9-2/3=0
Five (5) over Thirty six (36). Or, roughly .13888888889.