Question

Выполнить действие 5/12+2/9, 11/15-2/3, 8/25+7/20-0,47

Answer 1

5/12+2/9=45+24/108=69/108=23/36
11/15-2/3=11-10/15=1/15
8/25+7/20-0.47=160+175/500-0.47=335/500-0.47=0.67-0.47=0.2