Add 27/10 and 45/12
1st number: 2 7/10, 2nd number: 3 9/12
27/10 + 45/12 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
27/10 = 27 × 6/10 × 6 = 162/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Add the two like fractions:
162/60 + 225/60 = 162 + 225/60 = 387/60 - 387/60 simplified gives 129/20
- So, 27/10 + 45/12 = 129/20
In mixed form: 69/20
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