Add 81/10 and 30/16
1st number: 8 1/10, 2nd number: 1 14/16
81/10 + 30/16 is 399/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
81/10 = 81 × 8/10 × 8 = 648/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
30/16 = 30 × 5/16 × 5 = 150/80 - Add the two like fractions:
648/80 + 150/80 = 648 + 150/80 = 798/80 - 798/80 simplified gives 399/40
- So, 81/10 + 30/16 = 399/40
In mixed form: 939/40
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