Add 54/45 and 9/12
1st number: 1 9/45, 2nd number: 9/12
54/45 + 9/12 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
54/45 = 54 × 4/45 × 4 = 216/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
9/12 = 9 × 15/12 × 15 = 135/180 - Add the two like fractions:
216/180 + 135/180 = 216 + 135/180 = 351/180 - 351/180 simplified gives 39/20
- So, 54/45 + 9/12 = 39/20
In mixed form: 119/20
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