Question

3 целых 5/12-4/5+31/60

Answer 1

$3 frac{5}{12}$-$frac{4}{5}$+$frac{31}{60}$ = $frac{41}{12}$-$frac{4}{5}$+$frac{31}{60}$ = $frac{205}{60}$-$frac{48}{60}$+$frac{31}{60}$ = $frac{188}{60}$ = $frac{47}{15}$ = $3 frac{2}{15}$