Fill in the blanks.
15 of the girls are equal to
37 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.
15 of the girls =
37 of the boys
Make the numerators the same using the LCM of 1 and 3.
LCM of 1 and 3 = 3
1 x 35 x 3 of the girls of the girls =
3 x 17 x 1 of the boys
315 of the girls =
37 of the boys
The totals are shown in the denominators.
Number of girls = 15 u
(b)
Number of boys = 7 u
(c)
Total number of girls and boys
= 15 u + 7 u
= 22 u
(d)
Difference between the number of girls and boys
= 15 u - 7 u
= 8 u
Answer(s): (a) 15; (b) 7; (c) 22; (d) 8