Add 5/45 and 80/63, Solve 5/45 + 1 17/63 as a fraction

Add 5/45 and 80/63

1^st number: 5/45, 2^nd number: 1 17/63

5/45 + 80/63 is 29/21.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
80/63 = 80 × 5/63 × 5 = 400/315
Add the two like fractions:
35/315 + 400/315 = 35 + 400/315 = 435/315
435/315 simplified gives 29/21
So, 5/45 + 80/63 = 29/21
In mixed form: 18/21

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