Add 2/42 and 24/81
2/42 + 24/81 is 65/189.
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,
2/42 = 2 × 27/42 × 27 = 54/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
24/81 = 24 × 14/81 × 14 = 336/1134 - Add the two like fractions:
54/1134 + 336/1134 = 54 + 336/1134 = 390/1134 - 390/1134 simplified gives 65/189
- So, 2/42 + 24/81 = 65/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+24/81 2/42+48/81 2/84+24/81 6/42+24/81 2/42+72/81 10/42+24/81 14/42+24/81