Add 21/75 and 9/12
21/75 + 9/12 is 103/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Add the two like fractions:
84/300 + 225/300 = 84 + 225/300 = 309/300 - 309/300 simplified gives 103/100
- So, 21/75 + 9/12 = 103/100
In mixed form: 13/100
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