add the like fraction question is 5 by 12 + 7 by 25
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Step-by-step explanation:
Let us find the LCM of the denominators 2, 3 and 7.
The LCM of 2, 3 and 7 is 42.
12 = 1×212×21 = 2142
23 = 2×143×14 = 2842
47 = 4×67×6 = 2442
Therefore, we get the like fractions 12, 23 and 47.
Now, 2142 + 2842 + 2442
= 21+28+2442
= 7342
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