Add 84/45 and 8/42, Solve 1 39/45 + 8/42 as a fraction

Add 84/45 and 8/42

1^st number: 1 39/45, 2^nd number: 8/42

84/45 + 8/42 is 72/35.

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,
84/45 = 84 × 14/45 × 14 = 1176/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
8/42 = 8 × 15/42 × 15 = 120/630
Add the two like fractions:
1176/630 + 120/630 = 1176 + 120/630 = 1296/630
1296/630 simplified gives 72/35
So, 84/45 + 8/42 = 72/35
In mixed form: 22/35

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