4 over 10
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1 tenth 3/5 x 2/2 = 6/10 7/10 - 6/10 = 1/10
Seven over fifteen minus two over five is: 7/15 - 2/5 = 7/15 - (2 x 3)/(5 x 3) = 7/15 - 6/15 = 1/15
x/3 - 7 = 2=> x/3 = 9 (add 7 to both sides) => x = 27 (multiply both sides by 3).
1 and 3/7
1 and 3/7