Add 48/42 and 84/45, Solve 1 6/42 + 1 39/45 as a fraction

Add 48/42 and 84/45

1^st number: 1 6/42, 2^nd number: 1 39/45

48/42 + 84/45 is 316/105.

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,
48/42 = 48 × 15/42 × 15 = 720/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630
Add the two like fractions:
720/630 + 1176/630 = 720 + 1176/630 = 1896/630
1896/630 simplified gives 316/105
So, 48/42 + 84/45 = 316/105
In mixed form: 31/105

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