Add 21/75 and 12/9
1st number: 21/75, 2nd number: 1 3/9
21/75 + 12/9 is 121/75.
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,
12/9 = 12 × 25/9 × 25 = 300/225 - Add the two like fractions:
63/225 + 300/225 = 63 + 300/225 = 363/225 - 363/225 simplified gives 121/75
- So, 21/75 + 12/9 = 121/75
In mixed form: 146/75
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