Add 30/18 and 42/28
1st number: 1 12/18, 2nd number: 1 14/28
30/18 + 42/28 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
30/18 = 30 × 14/18 × 14 = 420/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252 - Add the two like fractions:
420/252 + 378/252 = 420 + 378/252 = 798/252 - 798/252 simplified gives 19/6
- So, 30/18 + 42/28 = 19/6
In mixed form: 31/6
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