Add 56/40 and 12/27
1st number: 1 16/40, 2nd number: 12/27
56/40 + 12/27 is 83/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
56/40 = 56 × 27/40 × 27 = 1512/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
12/27 = 12 × 40/27 × 40 = 480/1080 - Add the two like fractions:
1512/1080 + 480/1080 = 1512 + 480/1080 = 1992/1080 - 1992/1080 simplified gives 83/45
- So, 56/40 + 12/27 = 83/45
In mixed form: 138/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+24/27 56/80+12/27 56/40+12/54 56/40+36/27 56/40+12/81 56/40+60/27 56/40+84/27