Add 18/36 and 2/21
18/36 + 2/21 is 25/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 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 21 × 12 = 252,
2/21 = 2 × 12/21 × 12 = 24/252 - Add the two like fractions:
126/252 + 24/252 = 126 + 24/252 = 150/252 - 150/252 simplified gives 25/42
- So, 18/36 + 2/21 = 25/42
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