Fill in the blanks.
34 of the girls are equal to
78 of the boys.
- Number of girls = _____ u
- Number of boys = _____ u
- Total number of girls and boys = _____ u
- Difference between the number of girls and boys = _____ u
(a)
Change fraction into units.
34 of the girls =
78 of the boys
Make the numerators the same using the LCM of 3 and 7.
LCM of 3 and 7 = 21
3 x 74 x 7 of the girls of the girls =
7 x 38 x 3 of the boys
2128 of the girls =
2124 of the boys
The totals are shown in the denominators.
Number of girls = 28 u
(b)
Number of boys = 24 u
(c)
Total number of girls and boys
= 28 u + 24 u
= 52 u
(d)
Difference between the number of girls and boys
= 28 u - 24 u
= 4 u
Answer(s): (a) 28; (b) 24; (c) 52; (d) 4