Add 56/63 and 21/12
1st number: 56/63, 2nd number: 1 9/12
56/63 + 21/12 is 95/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
21/12 = 21 × 21/12 × 21 = 441/252 - Add the two like fractions:
224/252 + 441/252 = 224 + 441/252 = 665/252 - 665/252 simplified gives 95/36
- So, 56/63 + 21/12 = 95/36
In mixed form: 223/36
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