Add 3/16 and 12/81
3/16 + 12/81 is 145/432.
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,
3/16 = 3 × 81/16 × 81 = 243/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
12/81 = 12 × 16/81 × 16 = 192/1296 - Add the two like fractions:
243/1296 + 192/1296 = 243 + 192/1296 = 435/1296 - 435/1296 simplified gives 145/432
- So, 3/16 + 12/81 = 145/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16+12/81 3/16+24/81 3/32+12/81 9/16+12/81 3/16+36/81 3/48+12/81 15/16+12/81 3/16+60/81 3/80+12/81 21/16+12/81 3/16+84/81