Add 20/63 and 72/12
1st number: 20/63, 2nd number: 6 0/12
20/63 + 72/12 is 398/63.
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,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
72/12 = 72 × 21/12 × 21 = 1512/252 - Add the two like fractions:
80/252 + 1512/252 = 80 + 1512/252 = 1592/252 - 1592/252 simplified gives 398/63
- So, 20/63 + 72/12 = 398/63
In mixed form: 620/63
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