Question

julie jot 21 of the 23 questions of her math test correct she got 29 of the 32 questions on her science test correct on which test did she get a highet score on?can you compare the fractions 21/23 and 29/32 by comparing 29 and 21? explain.how can julie compare her scores

Answer 1

$Make\ a\ common\ denominator:\\\\\frac{21}{23}\ \ \ \ \ \ \ \ \frac{29}{32}\\\\\frac{21\cdot32}{23\cdot32}\ \ \ \ \ \ \ \frac{29\cdot23}{32\cdot23}\\\\\frac{672}{736}\ \ \ > \ \ \ \frac{667}{736}$

Answer 2

Julie received a higher grade on her math test. 

21/23=91%
got 2 answers incorrect 

29/32=90%
got 3 answers incorrect