Add 21/6 and 9/12
1st number: 3 3/6, 2nd number: 9/12
216 + 912 is 174.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
216 = 21 × 26 × 2 = 4212 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
912 = 9 × 112 × 1 = 912 - Add the two like fractions:
4212 + 912 = 42 + 912 = 5112 - 51/12 simplified gives 174
- So, 21/6 + 9/12 = 17/4
In mixed form: 414
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