Add 84/30 and 21/27
1st number: 2 24/30, 2nd number: 21/27
84/30 + 21/27 is 161/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
84/30 = 84 × 9/30 × 9 = 756/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
21/27 = 21 × 10/27 × 10 = 210/270 - Add the two like fractions:
756/270 + 210/270 = 756 + 210/270 = 966/270 - 966/270 simplified gives 161/45
- So, 84/30 + 21/27 = 161/45
In mixed form: 326/45
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