Add 18/36 and 20/84
18/36 + 20/84 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
20/84 = 20 × 3/84 × 3 = 60/252 - Add the two like fractions:
126/252 + 60/252 = 126 + 60/252 = 186/252 - 186/252 simplified gives 31/42
- So, 18/36 + 20/84 = 31/42
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