Add 12/30 and 30/90
12/30 + 30/90 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
12/30 = 12 × 3/30 × 3 = 36/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Add the two like fractions:
36/90 + 30/90 = 36 + 30/90 = 66/90 - 66/90 simplified gives 11/15
- So, 12/30 + 30/90 = 11/15
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