Add 45/54 and 15/12
1st number: 45/54, 2nd number: 1 3/12
45/54 + 15/12 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
45/54 = 45 × 2/54 × 2 = 90/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108 - Add the two like fractions:
90/108 + 135/108 = 90 + 135/108 = 225/108 - 225/108 simplified gives 25/12
- So, 45/54 + 15/12 = 25/12
In mixed form: 21/12
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