Add 12/90 and 3/18
12/90 + 3/18 is 3/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Add the two like fractions:
12/90 + 15/90 = 12 + 15/90 = 27/90 - 27/90 simplified gives 3/10
- So, 12/90 + 3/18 = 3/10
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