Add 45/16 and 81/40
1st number: 2 13/16, 2nd number: 2 1/40
45/16 + 81/40 is 387/80.
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,
45/16 = 45 × 5/16 × 5 = 225/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
81/40 = 81 × 2/40 × 2 = 162/80 - Add the two like fractions:
225/80 + 162/80 = 225 + 162/80 = 387/80 - So, 45/16 + 81/40 = 387/80
In mixed form: 467/80
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