Add 72/14 and 80/45, Solve 5 2/14 + 1 35/45 as a fraction

Add 72/14 and 80/45

1^st number: 5 2/14, 2^nd number: 1 35/45

72/14 + 80/45 is 436/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
80/45 = 80 × 14/45 × 14 = 1120/630
Add the two like fractions:
3240/630 + 1120/630 = 3240 + 1120/630 = 4360/630
4360/630 simplified gives 436/63
So, 72/14 + 80/45 = 436/63
In mixed form: 658/63

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