Difference between revisions of "2011 AMC 12B Problems/Problem 1"
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Add up the numbers in each fraction to get <math>\frac{12}{9} - \frac{9}{12}</math>, which equals <math>\frac{4}{3} - \frac{3}{4}</math>. Doing the subtraction yields | Add up the numbers in each fraction to get <math>\frac{12}{9} - \frac{9}{12}</math>, which equals <math>\frac{4}{3} - \frac{3}{4}</math>. Doing the subtraction yields | ||
| − | + | <math> | |
\boxed{\frac{7}{12}\ \textbf{(C)}} | \boxed{\frac{7}{12}\ \textbf{(C)}} | ||
| − | + | </math> | |
== See also == | == See also == | ||
{{AMC12 box|year=2011|before=First Problem|num-a=2|ab=B}} | {{AMC12 box|year=2011|before=First Problem|num-a=2|ab=B}} | ||
Revision as of 14:59, 27 February 2011
Problem
What is 
Solution
Add up the numbers in each fraction to get 
, which equals 
. Doing the subtraction yields
See also
| 2011 AMC 12B (Problems • Answer Key • Resources) | |
| Preceded by First Problem |
Followed by Problem 2 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
