Add 81/15 and 12/10
1st number: 5 6/15, 2nd number: 1 2/10
81/15 + 12/10 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
12/10 = 12 × 3/10 × 3 = 36/30 - Add the two like fractions:
162/30 + 36/30 = 162 + 36/30 = 198/30 - 198/30 simplified gives 33/5
- So, 81/15 + 12/10 = 33/5
In mixed form: 63/5
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