Add 3/7 and 16/81
3/7 + 16/81 is 355/567.
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,
3/7 = 3 × 81/7 × 81 = 243/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
16/81 = 16 × 7/81 × 7 = 112/567 - Add the two like fractions:
243/567 + 112/567 = 243 + 112/567 = 355/567 - So, 3/7 + 16/81 = 355/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+16/81 3/7+32/81 3/14+16/81 9/7+16/81 3/7+48/81 3/21+16/81 15/7+16/81 3/7+80/81 3/35+16/81 21/7+16/81 3/49+16/81