Add 21/4 and 9/3
1st number: 5 1/4, 2nd number: 3 0/3
21/4 + 9/3 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
9/3 = 9 × 4/3 × 4 = 36/12 - Add the two like fractions:
63/12 + 36/12 = 63 + 36/12 = 99/12 - 99/12 simplified gives 33/4
- So, 21/4 + 9/3 = 33/4
In mixed form: 81/4
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