Add 27/12 and 18/63
1st number: 2 3/12, 2nd number: 18/63
27/12 + 18/63 is 71/28.
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,
27/12 = 27 × 21/12 × 21 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Add the two like fractions:
567/252 + 72/252 = 567 + 72/252 = 639/252 - 639/252 simplified gives 71/28
- So, 27/12 + 18/63 = 71/28
In mixed form: 215/28
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