Add 3/16 and 21/27
3/16 + 21/27 is 139/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
3/16 = 3 × 27/16 × 27 = 81/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432 - Add the two like fractions:
81/432 + 336/432 = 81 + 336/432 = 417/432 - 417/432 simplified gives 139/144
- So, 3/16 + 21/27 = 139/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16+21/27 3/16+42/27 3/32+21/27 3/16+21/54 9/16+21/27 3/16+63/27 3/48+21/27 3/16+21/81 15/16+21/27 3/80+21/27 21/16+21/27