Add 81/30 and 36/27
1st number: 2 21/30, 2nd number: 1 9/27
81/30 + 36/27 is 121/30.
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,
81/30 = 81 × 9/30 × 9 = 729/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
36/27 = 36 × 10/27 × 10 = 360/270 - Add the two like fractions:
729/270 + 360/270 = 729 + 360/270 = 1089/270 - 1089/270 simplified gives 121/30
- So, 81/30 + 36/27 = 121/30
In mixed form: 41/30
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