Add 45/4 and 54/9
1st number: 11 1/4, 2nd number: 6 0/9
45/4 + 54/9 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
54/9 = 54 × 4/9 × 4 = 216/36 - Add the two like fractions:
405/36 + 216/36 = 405 + 216/36 = 621/36 - 621/36 simplified gives 69/4
- So, 45/4 + 54/9 = 69/4
In mixed form: 171/4
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