Add 21/50 and 90/42
1st number: 21/50, 2nd number: 2 6/42
21/50 + 90/42 is 897/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 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 42 × 25 = 1050,
90/42 = 90 × 25/42 × 25 = 2250/1050 - Add the two like fractions:
441/1050 + 2250/1050 = 441 + 2250/1050 = 2691/1050 - 2691/1050 simplified gives 897/350
- So, 21/50 + 90/42 = 897/350
In mixed form: 2197/350
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