Add 27/15 and 20/63
1st number: 1 12/15, 2nd number: 20/63
27/15 + 20/63 is 667/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
27/15 = 27 × 21/15 × 21 = 567/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Add the two like fractions:
567/315 + 100/315 = 567 + 100/315 = 667/315 - So, 27/15 + 20/63 = 667/315
In mixed form: 237/315
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