For questions 1 - 3 find the exact sum or difference.

question 1. 7/15 + 9/15 + 4/15 =

A) 7/9

B) 1 13/15

C) 2 2/9

D) 1 1/3

question 2. Gerri spends 1/21 of her money on pencils and 2/21 on paper. what friction of her money does she spend? Give the answer in the simplest form.

A) 1/7

B) 3/20

C) 4/21

D) 8/7

question 3. 5/7 - (3/14 + 3/12) =

A) 2/7

B) 1/21

C) 1/7

D) 1 1/7

Question

Mathematics

Erik Pearson

4 February, 06:50

For questions 1 - 3 find the exact sum or difference.

question 1. 7/15 + 9/15 + 4/15 =

A) 7/9

B) 1 13/15

C) 2 2/9

D) 1 1/3

question 2. Gerri spends 1/21 of her money on pencils and 2/21 on paper. what friction of her money does she spend? Give the answer in the simplest form.

A) 1/7

B) 3/20

C) 4/21

D) 8/7

question 3. 5/7 - (3/14 + 3/12) =

A) 2/7

B) 1/21

C) 1/7

D) 1 1/7

+1

Answers (1)

Know the Answer?

Cristal Chase · Answer 1

D, Because 7/15 + 9/15 is 16/15 + 4/15 = 20/15 which equals 1 5/15 which turns into 1 1/3

A, 1/21 + 2/21 = 3/21 and that equals 1/7

C, 3/14+3/12 turns into 3/14+5/14 = 10/14 - 8/14 = 2/14=1/7