Add 80/30 and 7/63, Solve 2 20/30 + 7/63 as a fraction

Add 80/30 and 7/63

1^st number: 2 20/30, 2^nd number: 7/63

80/30 + 7/63 is 25/9.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
80/30 = 80 × 21/30 × 21 = 1680/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630
Add the two like fractions:
1680/630 + 70/630 = 1680 + 70/630 = 1750/630
1750/630 simplified gives 25/9
So, 80/30 + 7/63 = 25/9
In mixed form: 27/9

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