Sagot :
Answer:
2. 25/4 or 6 ¼
3. 5/14
4. 11/20
Step-by-step explanation:
Here's the traditional way to add fractions with two different denominators:
- Find the LCM of the two denominators. Suppose you want to add the fractions 3/4 + 7/10. ...
- Increase the terms of each fraction so that the denominator of each equals the LCM. ...
- Substitute these two new fractions for the original ones and add.
Here's the traditional way to subtract fractions with two different denominators:
find the least common multiple (LCM) of the two denominators. To subtract fractions with unlike denominators, rename the fractions with a common denominator. Then subtract and simplify.
Here's the traditional way to multiply fractions with two different denominators:
- Multiply the numerators together and place the product on the top of the resultant fraction
- Multiply the denominators together and write the result at the bottom of the new fraction
- Reduce or simplify the result if possible
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