Add 21/50 and 42/21
1st number: 21/50, 2nd number: 2 0/21
21/50 + 42/21 is 121/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
42/21 = 42 × 50/21 × 50 = 2100/1050 - Add the two like fractions:
441/1050 + 2100/1050 = 441 + 2100/1050 = 2541/1050 - 2541/1050 simplified gives 121/50
- So, 21/50 + 42/21 = 121/50
In mixed form: 221/50
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