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2 votes
What is 3/4 + 1/7 = ​

User Mariela
by
3.7k points

2 Answers

6 votes

Answer:

25/28 is the answer

Explanation:

3/4+1/7

Least common multiple of 4 and 7 is 28. Convert 3/4 ​ and 1/7 to fractions with denominator 28.

21/28+4/28

since 21/28 and 4/28 have the same denominator, add them by adding their numerators.

21+4=25

Add 21 and 4 to get 25.

And you get

25/28

User Valex
by
3.6k points
1 vote

Answer:

25/28

Explanation:

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(34×77)+(17×44)=?

Complete the multiplication and the equation becomes

2128+428=?

The two fractions now have like denominators so you can add the numerators.

Then:

21+428=2528

This fraction cannot be reduced.

Therefore:

34+17=2528

Solution by Formulas

Apply the fractions formula for addition, to

34+17

and solve

(3×7)+(1×4)4×7

=21+428

=2528

Therefore:

34+17=2528

(source= calculator soup)

User Just Ahead
by
2.9k points