Add 2/12 and 20/45
2/12 + 20/45 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
2/12 = 2 × 15/12 × 15 = 30/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Add the two like fractions:
30/180 + 80/180 = 30 + 80/180 = 110/180 - 110/180 simplified gives 11/18
- So, 2/12 + 20/45 = 11/18
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