Add 21/16 and 18/27
1st number: 1 5/16, 2nd number: 18/27
21/16 + 18/27 is 95/48.
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,
21/16 = 21 × 27/16 × 27 = 567/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
18/27 = 18 × 16/27 × 16 = 288/432 - Add the two like fractions:
567/432 + 288/432 = 567 + 288/432 = 855/432 - 855/432 simplified gives 95/48
- So, 21/16 + 18/27 = 95/48
In mixed form: 147/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+18/27 21/16+36/27 21/32+18/27 21/16+18/54 63/16+18/27 21/16+54/27 21/48+18/27 21/16+18/81 21/16+90/27 21/80+18/27