Add 70/63 and 18/12
1st number: 1 7/63, 2nd number: 1 6/12
70/63 + 18/12 is 47/18.
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,
70/63 = 70 × 4/63 × 4 = 280/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
18/12 = 18 × 21/12 × 21 = 378/252 - Add the two like fractions:
280/252 + 378/252 = 280 + 378/252 = 658/252 - 658/252 simplified gives 47/18
- So, 70/63 + 18/12 = 47/18
In mixed form: 211/18
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