Add 30/18 and 32/42
1st number: 1 12/18, 2nd number: 32/42
30/18 + 32/42 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
32/42 = 32 × 3/42 × 3 = 96/126 - Add the two like fractions:
210/126 + 96/126 = 210 + 96/126 = 306/126 - 306/126 simplified gives 17/7
- So, 30/18 + 32/42 = 17/7
In mixed form: 23/7
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