Add 81/36 and 20/63
1st number: 2 9/36, 2nd number: 20/63
81/36 + 20/63 is 647/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Add the two like fractions:
567/252 + 80/252 = 567 + 80/252 = 647/252 - So, 81/36 + 20/63 = 647/252
In mixed form: 2143/252
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