Question

ВЫПОЛНИТЕ ДЕЙСТВИЕ
( 4/15 + ( - 5/12 ) + ( 0,3 + ( - 0,15 ) ) =

Answer 1

$= \frac{4}{15} - \frac{5}{12} + \frac{3}{20} = \frac{20-20}{60} + \frac{3}{20} = 0 + \frac{3}{20} = 0,15$

Answer 2

$\frac{4}{15} - \frac{5}{12} +0.3-0.15= \frac{16}{60}- \frac{25}{60} +0.3-0.15=- \frac{3}{20} + \frac{6}{20} -0.15=$$\frac{9}{20} -0.15=0.45-0.15=0.3$