Answer: -1.75
Step by step explanation
Subtract: 1
4
- 2
3
= 1 · 3
4 · 3
- 2 · 4
3 · 4
= 3
12
- 8
12
= 3 - 8
12
= -5
12
The common denominator you can calculate as the least common multiple of the both denominators - LCM(4, 3) = 12. The fraction result cannot be further simplified by cancelling.
In words - one quarter minus two thirds = minus five twelfth.
Add: 1
2
+ 5
6
= 1 · 3
2 · 3
+ 5
6
= 3
6
+ 5
6
= 3 + 5
6
= 8
6
= 2 · 4
2 · 3
= 4
3
The common denominator you can calculate as the least common multiple of the both denominators - LCM(2, 6) = 6. Cancelling by a common factor of 2 gives 4
3
.
In words - one half plus five sixths = four thirds.
Subtract: the result of step No. 1 - the result of step No. 2 = -5
12
- 4
3
= -5
12
- 4 · 4
3 · 4
= -5
12
- 16
12
= -5 - 16
12
= -21
12
= 3 · -7
3 · 4
= -7
4
The common denominator you can calculate as the least common multiple of the both denominators - LCM(12, 3) = 12. The fraction result cannot be further simplified by cancelling.
In words - minus five twelfth minus four thirds = minus seven quarter.
