Add 12/20 and 15/27
12/20 + 15/27 is 52/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Add the two like fractions:
324/540 + 300/540 = 324 + 300/540 = 624/540 - 624/540 simplified gives 52/45
- So, 12/20 + 15/27 = 52/45
In mixed form: 17/45
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