Ciara went to the store to buy some art supplies. She spent 3/7 of her money on paint and ⅓ of her money on paper. What fraction of her money did she spend?
*
1 point
4/10
2/5
16/21
3/21
To find the fraction of money Ciara spent, we need to add the fractions spent on paint and paper.
Ciara spent 3/7 of her money on paint.
She spent 1/3 of her money on paper.
To add these fractions, we need to find a common denominator. The least common multiple of 7 and 3 is 21.
3/7 in terms of the denominator 21 is (3/7) * (3/3) = 9/21.
1/3 in terms of the denominator 21 is (1/3) * (7/7) = 7/21.
Adding these fractions, we get: 9/21 + 7/21 = 16/21.
Therefore, Ciara spent a fraction of 16/21 of her money.