Add 12/35 and 80/45, Solve 12/35 + 1 35/45 as a fraction

Add 12/35 and 80/45

1^st number: 12/35, 2^nd number: 1 35/45

12/35 + 80/45 is 668/315.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 35 × 9 = 315,
12/35 = 12 × 9/35 × 9 = 108/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
80/45 = 80 × 7/45 × 7 = 560/315
Add the two like fractions:
108/315 + 560/315 = 108 + 560/315 = 668/315
So, 12/35 + 80/45 = 668/315
In mixed form: 238/315

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