Solve 0.3+x=3/4

$$0.3 + x = \frac { 3 } { 4 }$$

Solve for x

$$x=0.45$$

Steps for Solving Linear Equation

Subtract 0.3 from both sides.

$$x=\frac{3}{4}-0.3$$

Convert decimal number 0.3 to fraction \frac{3}{10}.

$$x=\frac{3}{4}-\frac{3}{10}$$

Least common multiple of 4 and 10 is 20. Convert \frac{3}{4} and \frac{3}{10} to fractions with denominator 20.

$$x=\frac{15}{20}-\frac{6}{20}$$

Since \frac{15}{20} and \frac{6}{20} have the same denominator, subtract them by subtracting their numerators.

$$x=\frac{15-6}{20}$$

Subtract 6 from 15 to get 9.

$$x=\frac{9}{20}$$