Add 16/81 and 9/7
1st number: 16/81, 2nd number: 1 2/7
16/81 + 9/7 is 841/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
16/81 = 16 × 7/81 × 7 = 112/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
9/7 = 9 × 81/7 × 81 = 729/567 - Add the two like fractions:
112/567 + 729/567 = 112 + 729/567 = 841/567 - So, 16/81 + 9/7 = 841/567
In mixed form: 1274/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/81+9/7 16/81+18/7 16/81+9/14 48/81+9/7 16/81+27/7 16/81+9/21 80/81+9/7 16/81+45/7 16/81+9/35 16/81+63/7 16/81+9/49