Add 40/16 and 42/27
1st number: 2 8/16, 2nd number: 1 15/27
40/16 + 42/27 is 73/18.
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,
40/16 = 40 × 27/16 × 27 = 1080/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
42/27 = 42 × 16/27 × 16 = 672/432 - Add the two like fractions:
1080/432 + 672/432 = 1080 + 672/432 = 1752/432 - 1752/432 simplified gives 73/18
- So, 40/16 + 42/27 = 73/18
In mixed form: 41/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+42/27 40/16+84/27 40/32+42/27 40/16+42/54 40/48+42/27 40/16+42/81 40/80+42/27