147k views
5 votes
Estimate the sum 10 1/9+ 5 14/15

User OzzC
by
5.1k points

2 Answers

3 votes

Answer:
16(2)/(45)

Turn 10 1/9 into an Improper Fraction

Multiply
10*9 and get
90. Now add
1 and get
91.


10(1)/(9) =91/9

Turn 5 14/15 into an Improper Fraction

Multiply
5*15 and get
75. Now add
14 and get
89.


5(14)/(15) =89/15

New Problem:
91/9+89/15

Find Common Denominator


9: 9,18,27,36,45\\15: 15,30,45,60,75\\CD=45

New Problem:
91/45+89/45

Add


91/45+89/45=722/45

Simplify


722/45=16(2)/(45)

User Peter Todd
by
5.6k points
3 votes

Answer:


16 (2)/(45)

Explanation:


10 (1)/(9) + 5 (14)/(15) \\ (91)/(9) + (89)/(15) \\ (91 * 5)/(9 * 5) + (89 * 3)/(15 * 3) \\ (455)/(45) + (267)/(45) \\ = (722)/(45) \\ = 16 (2)/(45)

User Zaartha
by
6.0k points