Add 16/7 and 3/81
1st number: 2 2/7, 2nd number: 3/81
16/7 + 3/81 is 439/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
16/7 = 16 × 81/7 × 81 = 1296/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
3/81 = 3 × 7/81 × 7 = 21/567 - Add the two like fractions:
1296/567 + 21/567 = 1296 + 21/567 = 1317/567 - 1317/567 simplified gives 439/189
- So, 16/7 + 3/81 = 439/189
In mixed form: 261/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/7+3/81 16/7+6/81 16/14+3/81 48/7+3/81 16/7+9/81 16/21+3/81 80/7+3/81 16/7+15/81 16/35+3/81 16/7+21/81 16/49+3/81