simplify 15/7+8/9

Solution

simplify

\frac{15}{7} + \frac{8}{9}

\frac{191}{63}

Decimal Notation

3.03174 \dots

Solution steps

\frac{15}{7} + \frac{8}{9}

Least Common Multiplier of

7, 9 : 63

Adjust Fractions based on the LCM

= \frac{135}{63} + \frac{56}{63}

Apply the fraction rule:

\frac{a}{c} + \frac{b}{c} = \frac{a + b}{c}

= \frac{135 + 56}{63}

135 + 56 = 191

= \frac{191}{63}

x^{2} + 9 x + 5 = 0

w^{2} + w - 12 = 0

2 f = - 12

3 (2 x + 4) = 6 x - 12

5 x^{2} - 48 x + 20 = 0