Question

Find the difference between
13 7/8 ad 4 5/12

Answer 1

\[13\frac78-4\frac5{12}\]
... what's the lowest common denominator ?

Answer 2

4

Answer 3

?? the LCM of 8 and 12...?

Answer 4

would be 24, correct?

Answer 5

2424

Answer 6

ya 24

Answer 7

so we get: \[13{21\over24}-4{10\over24}\]

Answer 8

subtract the integer part separately , and the fraction part separately.

Answer 9

33/24 - 106/24

Answer 10

don't use improper fractions ... that makes it much harder...
13 - 4 is 9 ......... and 21- 10 = 11

Answer 11

\[13\frac78-4\frac5{12} =\\ 13 {21\over24}-4{10\over24} =\\9{11\over24}\]

Answer 12

do we have to reduce that?

Answer 13

or is it just 9 11/24?

Answer 14

just that.