Question 862319
{{{ 1/3 + 2/5 = 5/15 + 6/15 }}}
{{{ 5/15 + 6/15 = 11/15 }}}
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You can say the whole pizza is
{{{ 15/15 }}}, or a whole pizza
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After you take away {{{ 11/15 }}},
you have {{{ 15/15 - 11/15 = 4/15 }}}
of the pizza left