Add 72/27 and 81/10
1st number: 2 18/27, 2nd number: 8 1/10
72/27 + 81/10 is 323/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 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 10 × 27 = 270,
81/10 = 81 × 27/10 × 27 = 2187/270 - Add the two like fractions:
720/270 + 2187/270 = 720 + 2187/270 = 2907/270 - 2907/270 simplified gives 323/30
- So, 72/27 + 81/10 = 323/30
In mixed form: 1023/30
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