Add 3/20 and 81/4
1st number: 3/20, 2nd number: 20 1/4
3/20 + 81/4 is 102/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
3/20 = 3 × 1/20 × 1 = 3/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
81/4 = 81 × 5/4 × 5 = 405/20 - Add the two like fractions:
3/20 + 405/20 = 3 + 405/20 = 408/20 - 408/20 simplified gives 102/5
- So, 3/20 + 81/4 = 102/5
In mixed form: 202/5
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