Simplify.
-$\frac{1}{2} \cdot \frac{1}{2}+\frac{1}{5} \cdot \frac{3}{7}$
A) $\frac{47}{140}$
B) $\frac{141}{35}$
C) $\frac{5}{6}$
D) $\frac{47}{70}$

Question

Quizplus · Accepted Answer

The calculation simplifies as follows: $\frac{1}{2} \cdot \frac{1}{2} = \frac{1}{4}$ and $\frac{1}{5} \cdot \frac{3}{7} = \frac{3}{35}$. Adding these together gives $\frac{1}{4} + \frac{3}{35} = \frac{35}{140} + \frac{12}{140} = \frac{47}{140}$.

Simplify - 12⋅12+15⋅37\frac{1}{2} \cdot \frac{1}{2}+\frac{1}{5} \cdot \frac{3}{7}21​⋅21​+51​⋅73​ A) 47140\frac{47}{140}14047​ B) 14135\frac{141}{35}35141​ C) 56\frac{5}{6}65​ D) 4770\frac{47}{70}7047​

Simplify
- $\frac{1}{2} \cdot \frac{1}{2}+\frac{1}{5} \cdot \frac{3}{7}$ A) $\frac{47}{140}$ B) $\frac{141}{35}$ C) $\frac{5}{6}$ D) $\frac{47}{70}$