Add 81/63 and 20/8
1st number: 1 18/63, 2nd number: 2 4/8
81/63 + 20/8 is 53/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
81/63 = 81 × 8/63 × 8 = 648/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504 - Add the two like fractions:
648/504 + 1260/504 = 648 + 1260/504 = 1908/504 - 1908/504 simplified gives 53/14
- So, 81/63 + 20/8 = 53/14
In mixed form: 311/14
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