Add 3/10 and 81/4
1st number: 3/10, 2nd number: 20 1/4
3/10 + 81/4 is 411/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
3/10 = 3 × 2/10 × 2 = 6/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
81/4 = 81 × 5/4 × 5 = 405/20 - Add the two like fractions:
6/20 + 405/20 = 6 + 405/20 = 411/20 - So, 3/10 + 81/4 = 411/20
In mixed form: 2011/20
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