Add 3/84 and 49/81
3/84 + 49/81 is 1453/2268.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
3/84 = 3 × 27/84 × 27 = 81/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
49/81 = 49 × 28/81 × 28 = 1372/2268 - Add the two like fractions:
81/2268 + 1372/2268 = 81 + 1372/2268 = 1453/2268 - So, 3/84 + 49/81 = 1453/2268
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+49/81 3/84+98/81 9/84+49/81 15/84+49/81 21/84+49/81