Add 60/63 and 21/12
1st number: 60/63, 2nd number: 1 9/12
60/63 + 21/12 is 227/84.
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,
60/63 = 60 × 4/63 × 4 = 240/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
21/12 = 21 × 21/12 × 21 = 441/252 - Add the two like fractions:
240/252 + 441/252 = 240 + 441/252 = 681/252 - 681/252 simplified gives 227/84
- So, 60/63 + 21/12 = 227/84
In mixed form: 259/84
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