Add 18/21 and 21/50
18/21 + 21/50 is 447/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
18/21 = 18 × 50/21 × 50 = 900/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Add the two like fractions:
900/1050 + 441/1050 = 900 + 441/1050 = 1341/1050 - 1341/1050 simplified gives 447/350
- So, 18/21 + 21/50 = 447/350
In mixed form: 197/350
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