if understood correctly, the answer is 8/14 ; 12/21; 16/28
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Equivalent fractions have the same value. 3/4 is equivalent to 6/8 Similar fractions have the same denominator. 3/5 is similar to 4/5 Dissimilar fractions have different denominators. 4/7 is dissimilar to 11/16
If you need to add 1/3 and 1/4, both can be converted into equivalent fractions using 12 as the common denominator. 1/3 is multiplied by 4/4 to get 4/12. 1/4 is multiplied by 3/3 to get 3/12. Add them, 4/12 + 3/12 = 7/12.
Equivalent fractions to 4/7 can be found by multiplying both the numerator and denominator by the same non-zero number. For example, multiplying both 4 and 7 by 2 gives 8/14. Another equivalent fraction can be obtained by multiplying both 4 and 7 by 3, resulting in 12/21. These fractions are equivalent to 4/7 but represent the same proportion of a whole in different terms.
They are called unlike fractions. To add or subtract them, you have to change them to forms that have the same denominator.Example: Add 1/3 and 3/41/3 x 4/4 = 4/12 equivalent fraction1/4 x 3/3 = 3/12 equivalent fraction4/12 + 3/12 = 7/12 and that is your answer1/3 + 1/4 = 7/12
Equivalent fractions for3/7 = 6/14,19/21, 12/28 Multiply 3/7 by 2/2, 3/3, 4/4,... 3 /7 * 2/2 = 6/14 3 /7 * 3/3 = 9/21 3 /7 * 4/4 =12/28