Add 12/15 and 30/27
1st number: 12/15, 2nd number: 1 3/27
12/15 + 30/27 is 86/45.
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,
12/15 = 12 × 9/15 × 9 = 108/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Add the two like fractions:
108/135 + 150/135 = 108 + 150/135 = 258/135 - 258/135 simplified gives 86/45
- So, 12/15 + 30/27 = 86/45
In mixed form: 141/45
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