Add 16/42 and 7/81
16/42 + 7/81 is 265/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
16/42 = 16 × 27/42 × 27 = 432/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
7/81 = 7 × 14/81 × 14 = 98/1134 - Add the two like fractions:
432/1134 + 98/1134 = 432 + 98/1134 = 530/1134 - 530/1134 simplified gives 265/567
- So, 16/42 + 7/81 = 265/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+7/81 16/42+14/81 16/84+7/81 48/42+7/81 16/42+21/81 80/42+7/81 16/42+35/81 16/42+49/81