Use Related Sentences to Solve Equations with Fractions
You can use related addition or subtraction sentences
to find missing fractions in some equations.
n^15 ^45 a^13 ^59
n^45 ^15 a^59 ^13
n^35 a^59 ^39 ^89
Use a related sentence to find the missing fraction or whole number.
- n^18 ^78 16. y^16 ^16 17. m^13 ^12 18. z^19 118
- p^56 ^38 20. t^35 ^56 21. c 0 ^35 22. d 0 152
- f 3 ^12 3 ^12 24. g 1 ^14 ^34 25. ^23 r^13 26. ^78 b 176
Use the table on page 230 for problems 27–28.
- How much greater is the fractional 28. How much greater is the fractional
part of family income spent on part of family income spent on
food for China than for Japan? food for India than for Mexico? - Mr. Baumbach plans to leave his estate to four charities.
One charity gets
1
4 of his estate, the second gets 1
1
6 , and the third
gets ^38 . How much does the fourth charity get? Explain your answer.
Find the difference.
7
8
4
5 12. 1
3
0 3
7
0 13. 1
4
1 2
8
2 14.
2
4
5
8
3
8
related
subtraction
sentence
related
addition
sentence
Write a word problem with two fractions so that the:
- sum is ^12 31. difference is ^18 32.difference is ^1425
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