ADD FRACTIONS, SUBTRACT FRACTIONS

PROBLEMS 2

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13.  Subtract these mixed units.

 11.   a) 8 hours b)      8 hours  20 minutes 11.   a) − 3 hours  50 minutes − 3 hours  50 minutes 11.   a) −  4 hours 10 minutes 11.   b) −   4 hours 30 minutes
 11.   c) 7 feet d)      7 feet  14 inches 11.   c)  − 4 feet  11 inches −  4 feet  11 inches 11.   a) −   2 feet  1 inch 11.   b) −    2 feet 5 inches
 14.   a)  6 − 1 23 = 4 13 b)  8 − 3 34 = 4 14 12.  c)  5 − 1 58 = 3 38 d)  9 − 4 15 = 4 45

15.  Each whole number has been reduced by 1.  What is the missing
13.  numerator?

 13.    a)   5 25 =  4 75 b)   6 38 =  5 11 8 c)   9 13 = 8 43 d)   8 59 =  7 14 9

16.  Subtract.

 14.  a)  5 13 − 2 23 = 2 23 b)  6 14 − 1 34 = 4½ c)  9 38 − 5 78 = 3½
 13.  d)  7 3 10 − 6 9 10 = 25 e)  8 5 16 − 2 1516 = 5 38 f)  1 3 20 − 9 20 = 710

17.   Subtract.  (Compare Example 9.)

 14.    a)  6 18 − 2 34 = 3 38 b)  5 12 − 1 56 = 3 23
 14.   c)  9 34 − 2 56 = 6 1112 d)  6 29 − 56 = 5 7 18

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