Add 49/9 and 20/63, Solve 5 4/9 + 20/63 as a fraction

Add 49/9 and 20/63

1^st number: 5 4/9, 2^nd number: 20/63

49/9 + 20/63 is 121/21.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
49/9 = 49 × 7/9 × 7 = 343/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63
Add the two like fractions:
343/63 + 20/63 = 343 + 20/63 = 363/63
363/63 simplified gives 121/21
So, 49/9 + 20/63 = 121/21
In mixed form: 516/21

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