Add 12/36 and 36/90
12/36 + 36/90 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 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 90 × 2 = 180,
36/90 = 36 × 2/90 × 2 = 72/180 - Add the two like fractions:
60/180 + 72/180 = 60 + 72/180 = 132/180 - 132/180 simplified gives 11/15
- So, 12/36 + 36/90 = 11/15
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