Add 20/63 and 45/84
20/63 + 45/84 is 215/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Add the two like fractions:
80/252 + 135/252 = 80 + 135/252 = 215/252 - So, 20/63 + 45/84 = 215/252
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