Add 21/16 and 9/75, Solve 1 5/16 + 9/75 as a fraction

Add 21/16 and 9/75

1^st number: 1 5/16, 2^nd number: 9/75

21/16 + 9/75 is 573/400.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 16 × 75 = 1200,
21/16 = 21 × 75/16 × 75 = 1575/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
9/75 = 9 × 16/75 × 16 = 144/1200
Add the two like fractions:
1575/1200 + 144/1200 = 1575 + 144/1200 = 1719/1200
1719/1200 simplified gives 573/400
So, 21/16 + 9/75 = 573/400
In mixed form: 1173/400

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