Add 54/8 and 45/12
1st number: 6 6/8, 2nd number: 3 9/12
54/8 + 45/12 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
54/8 = 54 × 3/8 × 3 = 162/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
45/12 = 45 × 2/12 × 2 = 90/24 - Add the two like fractions:
162/24 + 90/24 = 162 + 90/24 = 252/24 - 252/24 simplified gives 21/2
- So, 54/8 + 45/12 = 21/2
In mixed form: 101/2
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