Add 42/50 and 21/20
1st number: 42/50, 2nd number: 1 1/20
42/50 + 21/20 is 189/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
42/50 = 42 × 2/50 × 2 = 84/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
21/20 = 21 × 5/20 × 5 = 105/100 - Add the two like fractions:
84/100 + 105/100 = 84 + 105/100 = 189/100 - So, 42/50 + 21/20 = 189/100
In mixed form: 189/100
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