Add 16/49 and 45/81
16/49 + 45/81 is 389/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
16/49 = 16 × 81/49 × 81 = 1296/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
45/81 = 45 × 49/81 × 49 = 2205/3969 - Add the two like fractions:
1296/3969 + 2205/3969 = 1296 + 2205/3969 = 3501/3969 - 3501/3969 simplified gives 389/441
- So, 16/49 + 45/81 = 389/441
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