Add 42/30 and 9/12
1st number: 1 12/30, 2nd number: 9/12
42/30 + 9/12 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
42/30 = 42 × 2/30 × 2 = 84/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Add the two like fractions:
84/60 + 45/60 = 84 + 45/60 = 129/60 - 129/60 simplified gives 43/20
- So, 42/30 + 9/12 = 43/20
In mixed form: 23/20
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