Add 18/84 and 45/63
18/84 + 45/63 is 13/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
18/84 = 18 × 3/84 × 3 = 54/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Add the two like fractions:
54/252 + 180/252 = 54 + 180/252 = 234/252 - 234/252 simplified gives 13/14
- So, 18/84 + 45/63 = 13/14
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