Add 18/50 and 42/21
1st number: 18/50, 2nd number: 2 0/21
18/50 + 42/21 is 59/25.
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,
18/50 = 18 × 21/50 × 21 = 378/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
42/21 = 42 × 50/21 × 50 = 2100/1050 - Add the two like fractions:
378/1050 + 2100/1050 = 378 + 2100/1050 = 2478/1050 - 2478/1050 simplified gives 59/25
- So, 18/50 + 42/21 = 59/25
In mixed form: 29/25
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