Add 20/16 and 45/27
1st number: 1 4/16, 2nd number: 1 18/27
20/16 + 45/27 is 35/12.
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,
20/16 = 20 × 27/16 × 27 = 540/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
45/27 = 45 × 16/27 × 16 = 720/432 - Add the two like fractions:
540/432 + 720/432 = 540 + 720/432 = 1260/432 - 1260/432 simplified gives 35/12
- So, 20/16 + 45/27 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+45/27 20/16+90/27 20/32+45/27 20/16+45/54 60/16+45/27 20/48+45/27 20/16+45/81 20/80+45/27