Page 30 - SPARK OF MATH book 5
P. 30
Adding mixed numbers.
1 1
2 +1
3 2
Step 1 Add the whole number.
«store» the answer for 2 + 1= 3
later use!
1 1
Step 2 Add the fraction parts. +
3 2
6 is a common multiple of 3 and 2
Change the first fraction to 1 2 2
×
an equivalent fraction with 3 2 = 6
×
a denominator of 6.
×
Do the same for the 1 3 = 3
second fraction. 2 3 6
×
Add the fraction parts.
Convert to a mixed 1 + 1 = 2 + 3 = 5
number if neccesary. 3 2 6 6 6
Step 3 And finaly. Add the 1 1 5
results of the whole 2 + 1 = 3
number addition. 3 2 6
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