Add 49/81 and 16/40
49/81 + 16/40 is 407/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 81 × 40 = 3240,
49/81 = 49 × 40/81 × 40 = 1960/3240 - Likewise, for the 2nd fraction, since 40 × 81 = 3240,
16/40 = 16 × 81/40 × 81 = 1296/3240 - Add the two like fractions:
1960/3240 + 1296/3240 = 1960 + 1296/3240 = 3256/3240 - 3256/3240 simplified gives 407/405
- So, 49/81 + 16/40 = 407/405
In mixed form: 12/405
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