Add 15/45 and 20/27
15/45 + 20/27 is 29/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
15/45 = 15 × 3/45 × 3 = 45/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Add the two like fractions:
45/135 + 100/135 = 45 + 100/135 = 145/135 - 145/135 simplified gives 29/27
- So, 15/45 + 20/27 = 29/27
In mixed form: 12/27
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