List all the fraction of 84
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(5/12) + (3/7) = (35/84) + (36/84) = 71/84
It is: 60/84 = 5/7 in its lowest terms
7/8, 14/16
To subtract fractions with different denominators, you first have to find the equivalent fractions that have equal denominators. In this case, you can multiply top and bottom of 5/12 by 7 to give 35/84. You can multiply top and bottom of 4/7 by 12 to give 48/84. Thus the question can be rewritten as 35/84 - 48/84. This is just a straight subtraction which gives the answer -13/84
6/84 divided by '3' DIVISION of Fractions. Re-writing. [6/84] / [3/1] Notive the trivil '1' inserted to aid division. Remember the rule for division of fractions. ' CHANGE THE SIGN TO MULTIPLY (X) **AND I**NVER (TURN OVER) THE RIGHT HAND (DENOMINATING) FRACTION. Hence 6/84 X 1/3 Cancel down by '3' 2/84 X 1/1 Multply terms 2/84 Cancel; down by '2' 1/42 The Answer!!!!!