Add and subtract the following fractions. Remember to find the LCD first.1. Fraction Addition Equation2. Fraction Addition Equation3. Fraction Addition Equation4. Fraction Subtraction Equation5. Fraction Subtraction EquationMultiply and divide the following fractions. Remember to invert the divisor and then multiply the fractions.6. Fraction Multiplication Equation7. Fraction Multiplication Equation8. Fraction Multiplication Equation9. Fraction Division Equation10. Fraction Division EquationRound the following numbers to the nearest thousand.11. 345,27612. 127,825Round the following numbers to the nearest tenth.13. 42.5114. 39.62Round the following numbers to the nearest cent and then to the nearest dollar.15. $365.47316. $125.654