Add 49/16 and 20/81
1st number: 3 1/16, 2nd number: 20/81
49/16 + 20/81 is 4289/1296.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
49/16 = 49 × 81/16 × 81 = 3969/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
20/81 = 20 × 16/81 × 16 = 320/1296 - Add the two like fractions:
3969/1296 + 320/1296 = 3969 + 320/1296 = 4289/1296 - So, 49/16 + 20/81 = 4289/1296
In mixed form: 3401/1296
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/16+20/81 49/16+40/81 49/32+20/81 49/16+60/81 49/48+20/81 49/80+20/81