Add 21/75 and 81/16
1st number: 21/75, 2nd number: 5 1/16
21/75 + 81/16 is 2137/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
21/75 = 21 × 16/75 × 16 = 336/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
81/16 = 81 × 75/16 × 75 = 6075/1200 - Add the two like fractions:
336/1200 + 6075/1200 = 336 + 6075/1200 = 6411/1200 - 6411/1200 simplified gives 2137/400
- So, 21/75 + 81/16 = 2137/400
In mixed form: 5137/400
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