Question

как отнять 3 25/26 - 3,8

Answer 1

3 25/26-3 8/10=3 25/26-3 4/5=3 125/130-3 104/130=21/130

Answer 2

$3 \frac{25}{26} -3 \frac{8}{10} = \frac{25}{26} - \frac{8}{10} =  \frac{25*5}{26*5} - \frac{8*13}{10*13} = \frac{125}{130} - \frac{104}{130} = \frac{21}{130}$