Add 10/84 and 9/18
10/84 + 9/18 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
9/18 = 9 × 14/18 × 14 = 126/252 - Add the two like fractions:
30/252 + 126/252 = 30 + 126/252 = 156/252 - 156/252 simplified gives 13/21
- So, 10/84 + 9/18 = 13/21
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