Add 21/6 and 90/9
1st number: 3 3/6, 2nd number: 10 0/9
216 + 909 is 272.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
216 = 21 × 36 × 3 = 6318 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
909 = 90 × 29 × 2 = 18018 - Add the two like fractions:
6318 + 18018 = 63 + 18018 = 24318 - 243/18 simplified gives 272
- So, 21/6 + 90/9 = 27/2
In mixed form: 1312
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