Fill in the blanks.
17 of the boys are equal to
78 of the girls.
- Number of boys = _____ u
- Number of girls = _____ u
- Total number of boys and girls = _____ u
- Difference between the number of boys and girls = _____ u
(a)
Change fraction into units.
17 of the boys =
78 of the girls
Make the numerators the same using the LCM of 1 and 7.
LCM of 1 and 7 = 7
1 x 77 x 7 of the boys of the boys =
7 x 18 x 1 of the girls
749 of the boys =
78 of the girls
The totals are shown in the denominators.
Number of boys = 49 u
(b)
Number of girls = 8 u
(c)
Total number of boys and girls
= 49 u + 8 u
= 57 u
(d)
Difference between the number of boys and girls
= 49 u - 8 u
= 41 u
Answer(s): (a) 49; (b) 8; (c) 57; (d) 41