Add 4/7 and 7/81
4/7 + 7/81 is 373/567.
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,
4/7 = 4 × 81/7 × 81 = 324/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
7/81 = 7 × 7/81 × 7 = 49/567 - Add the two like fractions:
324/567 + 49/567 = 324 + 49/567 = 373/567 - So, 4/7 + 7/81 = 373/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+7/81 4/7+14/81 4/14+7/81 12/7+7/81 4/7+21/81 4/21+7/81 20/7+7/81 4/7+35/81 4/35+7/81 28/7+7/81 4/7+49/81 4/49+7/81