Add 10/84 and 30/36
10/84 + 30/36 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 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 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
30/252 + 210/252 = 30 + 210/252 = 240/252 - 240/252 simplified gives 20/21
- So, 10/84 + 30/36 = 20/21
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