Add 20/28 and 63/16, Solve 20/28 + 3 15/16 as a fraction

Add 20/28 and 63/16

1^st number: 20/28, 2^nd number: 3 15/16

20/28 + 63/16 is 521/112.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 28 × 4 = 112,
20/28 = 20 × 4/28 × 4 = 80/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
63/16 = 63 × 7/16 × 7 = 441/112
Add the two like fractions:
80/112 + 441/112 = 80 + 441/112 = 521/112
So, 20/28 + 63/16 = 521/112
In mixed form: 473/112

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