19. Change these mixed numbers into fractions. a) 14 e) 25
– 5 = –
5
– 6 = –
6
__ 5
b) 21 __
4
b) 17 f) 43
– 9 = –
9
– 4 = –
4
c) 19 __
3
d) 27 __
8
c) 23 g) 63
– 4 = –
4
– 8 = –
8
20. Change these improper fractions to mixed numbers. a) 16
e) 41 __
10
21. Add the following mixed numbers. a) 11 d) 42
– 2 + 11
– 4
– 3 + 23
– 6 – 12
– 4
– 3
b) 21 e) 33
– 3 – 33
– 8
b) 37 e) 54
– 6 of €654
– 4 = €238
– 6 = €765
__ 10
b) 1 e) 3
b) 2 e) 3
– 3 + 11
– 5
– 4 + 25
– 8 – 11
– 6
f) 46
__ 7
d) 31
– 3 = –
3
h) 7 7 __
10 = __
g) 53 __
6 10
h) 62 __
9
c) 31 f) 43
22. Find the difference between the following mixed numbers. a) 25 d) 62
– 6
– 5 – 41
23. Find: a) 1 d) 5
– 3 of €267
24. Work out the whole amount if: a) 1 d) 5
e)
____ 1000
3
b) 9 f)
___ 100
– 4
– 5 of €975
– 4 of €1976
– 3 = €694
– 8 = €1941
25. Change these fractions to decimals. a) 1
____ 1000
28
26. Write these decimals as fractions. a) 0.03
b) 0.007
27. Find the sum of these decimals. a) 0.59 + 83.7 + 4.862 d) 43.782 + 0.586 + 81.4
c) 13 ___
c) 47 f) 78
c) 1 f) 5
c) 4 f) 6
– 6 + 13
– 4
– 8 + 15
– 8 – 35
– 9 – 21
– 6
– 6
– 6
– 8 of €528
– 9 of €2592
– 5 = €516
– 7 = €3234
100
g) 329 ____
1000
d) 48 ___
100
h) 70 ____
1000
c) 0.9
d) 0.159 b) 9.47 + 27.8 + 436.9
28. Find the difference between these decimals. a) 8.14 – 6.7
d) 30.04 – 8.168
e) 0.27
f) 0.601 c) 3.198 + 39.28 + 643.6 e) 384.27 + 8.15 + 79.826 f) 6.902 + 19.894 + 286.7
b) 49.25 – 38.179 e) 3.19 – 0.736
c) 902.1 – 57.85 f) 92.315 – 58.576
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