Add 18/35 and 42/12
1st number: 18/35, 2nd number: 3 6/12
18/35 + 42/12 is 281/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
18/35 = 18 × 12/35 × 12 = 216/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
42/12 = 42 × 35/12 × 35 = 1470/420 - Add the two like fractions:
216/420 + 1470/420 = 216 + 1470/420 = 1686/420 - 1686/420 simplified gives 281/70
- So, 18/35 + 42/12 = 281/70
In mixed form: 41/70
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