Add 21/75 and 84/18
1st number: 21/75, 2nd number: 4 12/18
21/75 + 84/18 is 371/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
21/75 = 21 × 6/75 × 6 = 126/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Add the two like fractions:
126/450 + 2100/450 = 126 + 2100/450 = 2226/450 - 2226/450 simplified gives 371/75
- So, 21/75 + 84/18 = 371/75
In mixed form: 471/75
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