Add 81/40 and 30/16
1st number: 2 1/40, 2nd number: 1 14/16
81/40 + 30/16 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
81/40 = 81 × 2/40 × 2 = 162/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
30/16 = 30 × 5/16 × 5 = 150/80 - Add the two like fractions:
162/80 + 150/80 = 162 + 150/80 = 312/80 - 312/80 simplified gives 39/10
- So, 81/40 + 30/16 = 39/10
In mixed form: 39/10
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