HELP!?! PLEASE!! Which pair of fractions shows 7/9 and 5/12 correctly converted with their least common denominator?

2 answers:

7 0

The common denominator number is (i mean at least) 36.
so when we multiply 7/9 with 4/4 . NOW we have 28/36.
for the other multiply 5/12 with 3/3 now we have 15/36.
the answer is A . hope it helps :) :)

svlad2 [7]3 years ago

5 0

$Least\ common\ denominator:\\\\\frac{7}{9}\ \ \ \frac{5}{12}\ \ we\ need\ to\ find\ number\ which\ can\ be\ divided\ by\ 12\ and\ 9\\\\\frac{7\cdot4}{9\cdot4}\ \ \ \frac{5\cdot3}{12\cdot3}\\\\\frac{28}{36}\ \ \ \frac{15}{36}\\\\Answer\ A.$

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How do I teach my 4th grader to divide with two digits. Example 672/32 what are the steps?

Elanso [62]

Answer/Work:
672 divided by 32
is 21 with remainder 0
= 21 R 0
= 21 0/32

Show Work:
(There are a few files that should help you see the steps of this problem, and examples (of)
and how to do it) I hope this helps! If not, please let me know. :)