adding fractions diff denominators
TRANSCRIPT
ADDING FRACTIONS
WHEN THE DENOMINATORS ARE DIFFERENT
#1 Write the sum out
2
4 3
1
#2 Multiply the DENOMINATORS
2
4 3
1
#2 Multiply the DENOMINATORS
2
4 3
1
#2 Multiply the DENOMINATORS
2
4 3
1
12
#3 Cross Multiply
2
4 3
1
12
#3 Cross Multiply
2
4 3
1
12
#3 Cross Multiply
2
4 3
1
12
#3 Cross Multiply
2
4 3
1
12
#3 Cross Multiply
2
4 31
12
#3 Cross Multiply
2
43 1
12
#3 Cross Multiply
2
4
3 1
12
#3 Cross Multiply
2
4
3 1
12
#3 Cross Multiply
2
4
3 1
12
#3 Cross Multiply
243 1
12
#3 Cross Multiply
2 43 1
12
#3 Cross Multiply
2 43 1
12
#3 Cross Multiply
2 43 1
12
#3 Cross Multiply
2 43 1
12
#3 Cross Multiply
46 1
12
#3 Cross Multiply
46 1
12
#3 Cross Multiply
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
46
12
#4 Put the numerator and denominator together
10
12
2
4
2
4
2
4 3
1
2
4 3
1
2
4 3
1
12
10
Can it be simplified?
2
4 3
1
12
10
YES!!
2
4 3
1
12
10 5
6
AWESOME
2
4 3
1
6
5