Add 81/10 and 12/5
1st number: 8 1/10, 2nd number: 2 2/5
81/10 + 12/5 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
81/10 = 81 × 1/10 × 1 = 81/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
12/5 = 12 × 2/5 × 2 = 24/10 - Add the two like fractions:
81/10 + 24/10 = 81 + 24/10 = 105/10 - 105/10 simplified gives 21/2
- So, 81/10 + 12/5 = 21/2
In mixed form: 101/2
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