Add 21/49 and 63/16, Solve 21/49 + 3 15/16 as a fraction

Add 21/49 and 63/16

1^st number: 21/49, 2^nd number: 3 15/16

21/49 + 63/16 is 489/112.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784

Next, find the equivalent fraction of both fractional numbers with denominator 784
For the 1st fraction, since 49 × 16 = 784,
21/49 = 21 × 16/49 × 16 = 336/784
Likewise, for the 2nd fraction, since 16 × 49 = 784,
63/16 = 63 × 49/16 × 49 = 3087/784
Add the two like fractions:
336/784 + 3087/784 = 336 + 3087/784 = 3423/784
3423/784 simplified gives 489/112
So, 21/49 + 63/16 = 489/112
In mixed form: 441/112

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