Add 12/20 and 42/14
1st number: 12/20, 2nd number: 3 0/14
12/20 + 42/14 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
42/14 = 42 × 10/14 × 10 = 420/140 - Add the two like fractions:
84/140 + 420/140 = 84 + 420/140 = 504/140 - 504/140 simplified gives 18/5
- So, 12/20 + 42/14 = 18/5
In mixed form: 33/5
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