Add 7/16 and 40/81
7/16 + 40/81 is 1207/1296.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
7/16 = 7 × 81/16 × 81 = 567/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
40/81 = 40 × 16/81 × 16 = 640/1296 - Add the two like fractions:
567/1296 + 640/1296 = 567 + 640/1296 = 1207/1296 - So, 7/16 + 40/81 = 1207/1296
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