Add 9/30 and 12/20
9/30 + 12/20 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Add the two like fractions:
18/60 + 36/60 = 18 + 36/60 = 54/60 - 54/60 simplified gives 9/10
- So, 9/30 + 12/20 = 9/10
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