Add 63/81 and 4/7
63/81 + 4/7 is 85/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
63/81 = 63 × 7/81 × 7 = 441/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
4/7 = 4 × 81/7 × 81 = 324/567 - Add the two like fractions:
441/567 + 324/567 = 441 + 324/567 = 765/567 - 765/567 simplified gives 85/63
- So, 63/81 + 4/7 = 85/63
In mixed form: 122/63
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