Add 9/4 and 81/45
1st number: 2 1/4, 2nd number: 1 36/45
9/4 + 81/45 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
9/4 = 9 × 45/4 × 45 = 405/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Add the two like fractions:
405/180 + 324/180 = 405 + 324/180 = 729/180 - 729/180 simplified gives 81/20
- So, 9/4 + 81/45 = 81/20
In mixed form: 41/20
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