Add 1/12 and 12/45
1/12 + 12/45 is 7/20.
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,
1/12 = 1 × 15/12 × 15 = 15/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Add the two like fractions:
15/180 + 48/180 = 15 + 48/180 = 63/180 - 63/180 simplified gives 7/20
- So, 1/12 + 12/45 = 7/20
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