Add 21/75 and 84/54
1st number: 21/75, 2nd number: 1 30/54
21/75 + 84/54 is 413/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
21/75 = 21 × 18/75 × 18 = 378/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
84/54 = 84 × 25/54 × 25 = 2100/1350 - Add the two like fractions:
378/1350 + 2100/1350 = 378 + 2100/1350 = 2478/1350 - 2478/1350 simplified gives 413/225
- So, 21/75 + 84/54 = 413/225
In mixed form: 1188/225
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