Add 27/3 and 3/21
1st number: 9 0/3, 2nd number: 3/21
273 + 321 is 647.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
273 = 27 × 73 × 7 = 18921 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
321 = 3 × 121 × 1 = 321 - Add the two like fractions:
18921 + 321 = 189 + 321 = 19221 - 192/21 simplified gives 647
- So, 27/3 + 3/21 = 64/7
In mixed form: 917
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