Asked by niya
3 1/3 - 1 3/4 =
3 4/12 - 1 9/12
IE. 4/12 < 9/12
2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12
Please somebody explain these steps.
3 4/12 - 1 9/12
IE. 4/12 < 9/12
2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12
Please somebody explain these steps.
Answers
Answered by
Henry
To add or subtract fractions, they must have the same denominator. The fraction that is being subtracted must be smaller
than the other fraction.
Given: 3 1/3 - 1 3/4
Step 1. Find a common denominator:
3 4/12 - 1 9/12
Step 2. Subtract 1(1=12/12) from 3 and
add it to 4/12:
2 16/12 - 1 9/12
Step 3. Subtract the fractions:
1 7/12.
NOTE: 3 4/12 = 2 16/12. Therefore, the
value of the fraction has not been changed.
than the other fraction.
Given: 3 1/3 - 1 3/4
Step 1. Find a common denominator:
3 4/12 - 1 9/12
Step 2. Subtract 1(1=12/12) from 3 and
add it to 4/12:
2 16/12 - 1 9/12
Step 3. Subtract the fractions:
1 7/12.
NOTE: 3 4/12 = 2 16/12. Therefore, the
value of the fraction has not been changed.
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