Add 21/75 and 42/12
1st number: 21/75, 2nd number: 3 6/12
21/75 + 42/12 is 189/50.
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,
42/12 = 42 × 25/12 × 25 = 1050/300 - Add the two like fractions:
84/300 + 1050/300 = 84 + 1050/300 = 1134/300 - 1134/300 simplified gives 189/50
- So, 21/75 + 42/12 = 189/50
In mixed form: 339/50
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