Question

darla needs 3/9 cups of flour to bake a cake.She added another 3/5 cup of flour to make it bigger .how much flour did she use​

Answer 1

Answer:

Darla needs cups of flour =3/9

she added another cup of flour to make it bigger=3/5

total flour she use = 3/9+3/5=15+27/45=42/45

hence total flour she use to bake a cake is 42/45

Answer 2

Answer:

$\frac{14}{15}$ cup of flour she use to bake a cake .

Step-by-step explanation:

Explanation:

Given ,Dara need  $\frac{3}{9}$ cup of flour to bake a cake

       and she added another $\frac{3}{5}$ cup of flour

Step1:

Darla need flour to bake cake = $\frac{3}{9}$cup

and she added flour  = $\frac{3}{5}$

So, the amount of flour she use to bake a cake = $(\frac{3}{9} +\frac{3}{5})$

⇒$\frac{15+27}{45}$    (LCM of 9 and 5 is 45 )

⇒$\frac{42}{45}$ = $\frac{14}{15}$

Final answer:

Hence , $\frac{14}{15}$ cup of flour she use to bake cake .

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