Advertisements
Advertisements
Question
Evaluate:
`(-8)/9 + -5/12`
Advertisements
Solution
`(-8)/9 + -5/12`
| 2 | 9, 12 |
| 2 | 9, 6 |
| 3 | 9, 3 |
| 3 | 3, 1 |
| 1, 1 |
LCM of 9, 12 = 2 x 2 x 3 x 3 = 36
`= (-8xx4)/(9xx4) - (5xx3)/(12xx3)`
`= (-32 -15)/36` (LCM of 9 and 12 = 36)
`= (-47)/36`
APPEARS IN
RELATED QUESTIONS
Show the following numbers on a number line. Draw a separate number line for the example.
`7/5 , (-2)/5 , (-4)/5`
Show the following numbers on a number line. Draw a separate number line for the example.
`(-5)/8 , 11/8`
Draw a number line and mark
`3/4, 7/4, (-3)/4 and (-7)/4` on it.
Find the rational numbers represented by the question marks marked on the following number line
The rational numbers `1/3` and `(-1)/3`are on the ______ sides of zero on the number line.
`-3/4` is smaller than –2.
The rational number `57/23` lies to the left of zero on the number line.
The rational numbers `(-12)/(-5)` and `(-7)/17` are on the opposite sides of zero on the number line.
Find a rational number exactly halfway between:
`1/15` and `1/12`
Find the odd one out of the following and give reason.
