Add 9/4 and 21/18
1st number: 2 1/4, 2nd number: 1 3/18
9/4 + 21/18 is 41/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
9/4 = 9 × 9/4 × 9 = 81/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36 - Add the two like fractions:
81/36 + 42/36 = 81 + 42/36 = 123/36 - 123/36 simplified gives 41/12
- So, 9/4 + 21/18 = 41/12
In mixed form: 35/12
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