Add 27/36 and 81/15
1st number: 27/36, 2nd number: 5 6/15
27/36 + 81/15 is 123/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
27/36 = 27 × 5/36 × 5 = 135/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
81/15 = 81 × 12/15 × 12 = 972/180 - Add the two like fractions:
135/180 + 972/180 = 135 + 972/180 = 1107/180 - 1107/180 simplified gives 123/20
- So, 27/36 + 81/15 = 123/20
In mixed form: 63/20
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