Add 32/42 and 9/81
32/42 + 9/81 is 55/63.
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,
32/42 = 32 × 27/42 × 27 = 864/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
9/81 = 9 × 14/81 × 14 = 126/1134 - Add the two like fractions:
864/1134 + 126/1134 = 864 + 126/1134 = 990/1134 - 990/1134 simplified gives 55/63
- So, 32/42 + 9/81 = 55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42+9/81 32/42+18/81 32/84+9/81 96/42+9/81 32/42+27/81 32/42+45/81 32/42+63/81