Add 3/49 and 5/81
3/49 + 5/81 is 488/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
3/49 = 3 × 81/49 × 81 = 243/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
5/81 = 5 × 49/81 × 49 = 245/3969 - Add the two like fractions:
243/3969 + 245/3969 = 243 + 245/3969 = 488/3969 - So, 3/49 + 5/81 = 488/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+5/81 3/49+10/81 3/98+5/81 9/49+5/81 3/49+15/81 15/49+5/81 3/49+25/81 21/49+5/81 3/49+35/81