Add 12/42 and 20/49
12/42 + 20/49 is 34/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
12/42 = 12 × 7/42 × 7 = 84/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
20/49 = 20 × 6/49 × 6 = 120/294 - Add the two like fractions:
84/294 + 120/294 = 84 + 120/294 = 204/294 - 204/294 simplified gives 34/49
- So, 12/42 + 20/49 = 34/49
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