1/5 - 8/15
= 1x3/5x3 - 8/15
= 3/15 - 8/15
= (3 - 8)/15
= -5/15
= -5÷5/15÷5
= -1/3
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8/15
One-third is the same as five-fifteenths. Two-fifths is the same as six-fifteenths. Five-fifteenths plus six-fifteenths is eleven-fifteenths. One, or fifteen-fifteenths, minus eleven-fifteenths is four-fifteenths.
-4 1/5 + 2 1/3 = -63/15 + 35/15 = -28/15Minus twenty eight fifteenths
three fifteenths
One fifth of forty is eight. One quarter of eight is two.