Add 27/9 and 63/28
1st number: 3 0/9, 2nd number: 2 7/28
27/9 + 63/28 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
27/9 = 27 × 28/9 × 28 = 756/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
63/28 = 63 × 9/28 × 9 = 567/252 - Add the two like fractions:
756/252 + 567/252 = 756 + 567/252 = 1323/252 - 1323/252 simplified gives 21/4
- So, 27/9 + 63/28 = 21/4
In mixed form: 51/4
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