Add 81/63 and 63/4
1st number: 1 18/63, 2nd number: 15 3/4
81/63 + 63/4 is 477/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
63/4 = 63 × 63/4 × 63 = 3969/252 - Add the two like fractions:
324/252 + 3969/252 = 324 + 3969/252 = 4293/252 - 4293/252 simplified gives 477/28
- So, 81/63 + 63/4 = 477/28
In mixed form: 171/28
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