Add 54/45 and 35/42, Solve 1 9/45 + 35/42 as a fraction

Add 54/45 and 35/42

1^st number: 1 9/45, 2^nd number: 35/42

54/45 + 35/42 is 61/30.

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,
54/45 = 54 × 14/45 × 14 = 756/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
35/42 = 35 × 15/42 × 15 = 525/630
Add the two like fractions:
756/630 + 525/630 = 756 + 525/630 = 1281/630
1281/630 simplified gives 61/30
So, 54/45 + 35/42 = 61/30
In mixed form: 21/30

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