Questions on reciprocals

1: --[reporting2] Doing 'do snippet' - should be imbed--

Are these numbers reciprocals of each other?
a) 0.6 and 1.5
b) 5 and 0.2

2: --[reporting2] Doing 'do snippet' - should be imbed--

What are the reciprocals of -mathformula not MarkupType-
Fatal error: Uncaught Error: Call to undefined method mathformula::makeTypeDef() in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php:365 Stack trace: #0 /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php(407): echo_value('recipnumbq2', 'content', Array) #1 /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php(353): echoImbed('recipnumbq2', Array) #2 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(189): echo_value('recipnumbexa', 'content', Array) #3 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(742): dynaPage->echo_value('content') #4 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(179): mainPanel->write('main-panel') #5 /var/www/vhosts/ent.storkey.uk/html/index.php(21): dynaPage->write() #6 {main} thrown in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php on line 365