Add 21/12 and 4/9
1st number: 1 9/12, 2nd number: 4/9
2112 + 49 is 7936.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
2112 = 21 × 312 × 3 = 6336 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
49 = 4 × 49 × 4 = 1636 - Add the two like fractions:
6336 + 1636 = 63 + 1636 = 7936 - So, 21/12 + 4/9 = 79/36
In mixed form: 2736
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