Add 21/12 and 3/63
1st number: 1 9/12, 2nd number: 3/63
21/12 + 3/63 is 151/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
21/12 = 21 × 21/12 × 21 = 441/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Add the two like fractions:
441/252 + 12/252 = 441 + 12/252 = 453/252 - 453/252 simplified gives 151/84
- So, 21/12 + 3/63 = 151/84
In mixed form: 167/84
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