Add 2/21 and 12/36
2/21 + 12/36 is 3/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
2/21 = 2 × 12/21 × 12 = 24/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Add the two like fractions:
24/252 + 84/252 = 24 + 84/252 = 108/252 - 108/252 simplified gives 3/7
- So, 2/21 + 12/36 = 3/7
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