Add 81/49 and 4/81
1st number: 1 32/49, 2nd number: 4/81
81/49 + 4/81 is 6757/3969.
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,
81/49 = 81 × 81/49 × 81 = 6561/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
4/81 = 4 × 49/81 × 49 = 196/3969 - Add the two like fractions:
6561/3969 + 196/3969 = 6561 + 196/3969 = 6757/3969 - So, 81/49 + 4/81 = 6757/3969
In mixed form: 12788/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/49+8/81 81/98+4/81 81/49+12/81 81/49+20/81 81/49+28/81