Fill in the blanks.
27 of the boys are equal to
13 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.
27 of the boys =
13 of the girls
Make the numerators the same using the LCM of 2 and 1.
LCM of 2 and 1 = 2
2 x 17 x 1 of the boys of the boys =
1 x 23 x 2 of the girls
27 of the boys =
26 of the girls
The totals are shown in the denominators.
Number of boys = 7 u
(b)
Number of girls = 6 u
(c)
Total number of boys and girls
= 7 u + 6 u
= 13 u
(d)
Difference between the number of boys and girls
= 7 u - 6 u
= 1 u
Answer(s): (a) 7; (b) 6; (c) 13; (d) 1