Add 3/4 and 21/3
1st number: 3/4, 2nd number: 7 0/3
3/4 + 21/3 is 31/4.
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,
3/4 = 3 × 3/4 × 3 = 9/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
21/3 = 21 × 4/3 × 4 = 84/12 - Add the two like fractions:
9/12 + 84/12 = 9 + 84/12 = 93/12 - 93/12 simplified gives 31/4
- So, 3/4 + 21/3 = 31/4
In mixed form: 73/4
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