Add 27/15 and 21/27
1st number: 1 12/15, 2nd number: 21/27
27/15 + 21/27 is 116/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
27/15 = 27 × 9/15 × 9 = 243/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
21/27 = 21 × 5/27 × 5 = 105/135 - Add the two like fractions:
243/135 + 105/135 = 243 + 105/135 = 348/135 - 348/135 simplified gives 116/45
- So, 27/15 + 21/27 = 116/45
In mixed form: 226/45
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