Add 3/7 and 84/45, Solve 3/7 + 1 39/45 as a fraction

Add 3/7 and 84/45

1^st number: 3/7, 2^nd number: 1 39/45

3/7 + 84/45 is 241/105.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 7 × 45 = 315,
3/7 = 3 × 45/7 × 45 = 135/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315
Add the two like fractions:
135/315 + 588/315 = 135 + 588/315 = 723/315
723/315 simplified gives 241/105
So, 3/7 + 84/45 = 241/105
In mixed form: 231/105

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