Question

Q1) simplify 2) - 3/7 + 4/3​

Answer 1

$\frac{3}{7}+\frac{4}{3}$

Now, do the L.C.M of the denominators.

L.C.M = 21

$\frac{3×3}{7×3} = \frac{9}{21}$

and,

$\frac{4×7}{3×7} = \frac{28}{21}$

Now,

$\frac{28+9}{21} = \frac{37}{21}$