Add 42/2 and 21/10
1st number: 21 0/2, 2nd number: 2 1/10
42/2 + 21/10 is 231/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
42/2 = 42 × 5/2 × 5 = 210/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
21/10 = 21 × 1/10 × 1 = 21/10 - Add the two like fractions:
210/10 + 21/10 = 210 + 21/10 = 231/10 - So, 42/2 + 21/10 = 231/10
In mixed form: 231/10
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