Question

сложить дроби 349+57+449

Answer 1

3/49+5/7+4/49=7/49+35/49=42/49=6/7

Answer 2

$frac{3}{49} + frac{5}{7} + frac{4}{49} = frac{3}{49} + frac{35}{49} + frac{4}{49}= frac{42}{49}=frac{6}{7}$