Add 81/16 and 1/20
1st number: 5 1/16, 2nd number: 1/20
81/16 + 1/20 is 409/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
81/16 = 81 × 5/16 × 5 = 405/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
1/20 = 1 × 4/20 × 4 = 4/80 - Add the two like fractions:
405/80 + 4/80 = 405 + 4/80 = 409/80 - So, 81/16 + 1/20 = 409/80
In mixed form: 59/80
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