Explicație pas cu pas:
[tex]\frac{7}{64} + 1\frac{1}{56} - 3 \frac{5}{102} = \frac{7}{64} +\frac{56 + 1}{56} - \frac{3 \cdot 102 + 5}{102} = \\ = \frac{^{357)} 7}{64} +\frac{^{408)}57}{56} - \frac{^{224)}311}{102} = \frac{2499 + 23256 - 69664}{22848} = - \frac{43909}{22848} [/tex]
