Add 84/42 and 1/45, Solve 2 0/42 + 1/45 as a fraction

Add 84/42 and 1/45

1^st number: 2 0/42, 2^nd number: 1/45

84/42 + 1/45 is 91/45.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
84/42 = 84 × 15/42 × 15 = 1260/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630
Add the two like fractions:
1260/630 + 14/630 = 1260 + 14/630 = 1274/630
1274/630 simplified gives 91/45
So, 84/42 + 1/45 = 91/45
In mixed form: 21/45

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