Add 12/36 and 15/45
12/36 + 15/45 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Add the two like fractions:
60/180 + 60/180 = 60 + 60/180 = 120/180 - 120/180 simplified gives 2/3
- So, 12/36 + 15/45 = 2/3
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