Add 42/25 and 21/10
1st number: 1 17/25, 2nd number: 2 1/10
42/25 + 21/10 is 189/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
42/25 = 42 × 2/25 × 2 = 84/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
21/10 = 21 × 5/10 × 5 = 105/50 - Add the two like fractions:
84/50 + 105/50 = 84 + 105/50 = 189/50 - So, 42/25 + 21/10 = 189/50
In mixed form: 339/50
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