Add 42/27 and 6/40
1st number: 1 15/27, 2nd number: 6/40
42/27 + 6/40 is 307/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
42/27 = 42 × 40/27 × 40 = 1680/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
6/40 = 6 × 27/40 × 27 = 162/1080 - Add the two like fractions:
1680/1080 + 162/1080 = 1680 + 162/1080 = 1842/1080 - 1842/1080 simplified gives 307/180
- So, 42/27 + 6/40 = 307/180
In mixed form: 1127/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+6/40 42/27+12/40 42/54+6/40 42/27+6/80 42/27+18/40 42/81+6/40 42/27+30/40 42/27+42/40