Add 20/84 and 7/18
20/84 + 7/18 is 79/126.
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,
20/84 = 20 × 3/84 × 3 = 60/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
7/18 = 7 × 14/18 × 14 = 98/252 - Add the two like fractions:
60/252 + 98/252 = 60 + 98/252 = 158/252 - 158/252 simplified gives 79/126
- So, 20/84 + 7/18 = 79/126
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