Add 81/16 and 3/40
1st number: 5 1/16, 2nd number: 3/40
81/16 + 3/40 is 411/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 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 40 × 2 = 80,
3/40 = 3 × 2/40 × 2 = 6/80 - Add the two like fractions:
405/80 + 6/80 = 405 + 6/80 = 411/80 - So, 81/16 + 3/40 = 411/80
In mixed form: 511/80
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