Add 4/81 and 21/48
4/81 + 21/48 is 631/1296.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 48 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
4/81 = 4 × 16/81 × 16 = 64/1296 - Likewise, for the 2nd fraction, since 48 × 27 = 1296,
21/48 = 21 × 27/48 × 27 = 567/1296 - Add the two like fractions:
64/1296 + 567/1296 = 64 + 567/1296 = 631/1296 - So, 4/81 + 21/48 = 631/1296
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