Add 5/12 and 12/90
5/12 + 12/90 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
5/12 = 5 × 15/12 × 15 = 75/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
75/180 + 24/180 = 75 + 24/180 = 99/180 - 99/180 simplified gives 11/20
- So, 5/12 + 12/90 = 11/20
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