Answer:
Step-by-step explanation:
Find common denominators:
7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70
9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90
Find the matching multiple: 63
?/63 + ?/63
Since 7 x 9 is 63, 3/7 = multiply the numerator with the factor of the denominator.
3x9= 27 = 27/63 = 3/7
Since 9 x 7 is 63, 5/9 = multiply the numerator with the factor of the denominator.
5x7= 35 = 35/63 = 5/9
27 + 35 = 62
27/63 + 35/63 = 62/63!
Hope this helped
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