Add 21/16 and 5/63, Solve 1 5/16 + 5/63 as a fraction

Add 21/16 and 5/63

1^st number: 1 5/16, 2^nd number: 5/63

21/16 + 5/63 is 1403/1008.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 16 × 63 = 1008,
21/16 = 21 × 63/16 × 63 = 1323/1008
Likewise, for the 2nd fraction, since 63 × 16 = 1008,
5/63 = 5 × 16/63 × 16 = 80/1008
Add the two like fractions:
1323/1008 + 80/1008 = 1323 + 80/1008 = 1403/1008
So, 21/16 + 5/63 = 1403/1008
In mixed form: 1395/1008

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