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Improper Fractions and Addition and Subtraction of Fractions

Leave the answer as improper fraction

1) 8/35-11/35+17/35

2) 4 6/7 + 2 8/11

3) 6 19/21 -(-2 1/3)

4) 7 2/7 - 4

5) 9/13 + 3 1/4

6) 3 7/12 - (15/12-9/12)

7) -3 5/9 - 2 1/7 + 4 2/3

8) 11/12+5/12 - x = 9/12

9) 4 7/8 + 1 3/5 - x = 3 39/40

evaluate
7x/15 - 2x/9=

3x/6 -8x/11=
10/7 +2/13x=
7/12n-9/15n=

a certain student in this class did math, english and bible homework yesterday from 2:00pm to 3:30 pm. the only time he stopped was to take a bathroom break. how long was the break.

math 4/9 hrs
english 7/15 hrs
break?
bible 2/5

reduce when is posible and leave as a proper fraction when appropiate.
1) 42/35 . 15/56 2) -9/13 DIVIDE 72 3) 13/12 DIVIDE 169/132 4) 6 8/9 DIVIDE 2 24/81 5) - 9/2 DIVIDE 6 3/4 . ( - 2 2/7)
CONVERT TO A FRACTION
2. 243
CONVERT TO A DECIMAL. WHEN NEEDED ROUND FINAL ANSWER TO NEAREST THOUSANDTH
1) 27/50 2) 14 7/11
SOLVE
1/9 + 3 2/5 times 11/15

Resolve
Your cd player was runs for about 6 1/2 hrs on new batteries. If the average length of the cd in your collection is about 5/6 hour,how many cds can you expect to listen to using one new set of batteries?

You are helping to cover the roof of a house with shingles. The roof is 30 1/2 feet long. each shingle is 3 7/25 feet long. How many shingles (laid end to end in a row) does it take to cover the lenth of the roof?

Solution Preview

Leave the answer as improper fraction:

1) 8/35-11/35+17/35 = 14/35

2) 4 6/7 + 2 8/11 = 34/7+30/11 = 584/77

3) 6 19/21 -(-2 1/3) = 145/21+7/3 = 194/21

4) 7 2/7 - 4 = 51/7 - 4 =23/7

5) 9/13 + 3 1/4 = 9/13+13/4 = 205/52

6) 3 7/12 - (15/12-9/12) = 43/12-6/12 = 37/12

7) -3 5/9 - 2 1/7 + 4 2/3 = -32/9-15/7+14/3=25/21

8) 11/12+5/12 - x = 9/12
x=16/12-9/12=7/12

9) 4 7/8 + 1 3/5 - x = 3 39/40
...

Solution Summary

Improper Fractions and Addition and Subtraction of Fractions are investigated.

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