Add 9/45 and 54/42, Solve 9/45 + 1 12/42 as a fraction

Add 9/45 and 54/42

1^st number: 9/45, 2^nd number: 1 12/42

9/45 + 54/42 is 52/35.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
9/45 = 9 × 14/45 × 14 = 126/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
54/42 = 54 × 15/42 × 15 = 810/630
Add the two like fractions:
126/630 + 810/630 = 126 + 810/630 = 936/630
936/630 simplified gives 52/35
So, 9/45 + 54/42 = 52/35
In mixed form: 117/35

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