You can put this solution on YOUR website! -4/17+3/5 WE NEED TO FIND A COMMON DENOMINATOR FOR THESE 2 FRACTIONS THUS
17*5=105 WHICH IS COMMON.
NOW WE CONVERT BOTH FRACTIONS TO FRACTION WITH A DENOMINATOR OF 85
-4/7=X/105
7X=-4*105
7X=-420
X=-420/7
X=-60 SO -4/7 BECOMES -60/105
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3/5=X/105
5X=315
X=315/5
X=63 SO 3/5 BECOMES 63/105
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NOW WE CAN SUBTRACT THESE FRACTIONS
63/105-60/105=3/105=1/35
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