Add 72/27 and 21/30
1st number: 2 18/27, 2nd number: 21/30
72/27 + 21/30 is 101/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
72/27 = 72 × 10/27 × 10 = 720/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
21/30 = 21 × 9/30 × 9 = 189/270 - Add the two like fractions:
720/270 + 189/270 = 720 + 189/270 = 909/270 - 909/270 simplified gives 101/30
- So, 72/27 + 21/30 = 101/30
In mixed form: 311/30
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