Add 21/75 and 84/9
1st number: 21/75, 2nd number: 9 3/9
21/75 + 84/9 is 721/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
21/75 = 21 × 3/75 × 3 = 63/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
84/9 = 84 × 25/9 × 25 = 2100/225 - Add the two like fractions:
63/225 + 2100/225 = 63 + 2100/225 = 2163/225 - 2163/225 simplified gives 721/75
- So, 21/75 + 84/9 = 721/75
In mixed form: 946/75
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