Add 40/45 and 56/54
1st number: 40/45, 2nd number: 1 2/54
40/45 + 56/54 is 52/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
40/45 = 40 × 6/45 × 6 = 240/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
56/54 = 56 × 5/54 × 5 = 280/270 - Add the two like fractions:
240/270 + 280/270 = 240 + 280/270 = 520/270 - 520/270 simplified gives 52/27
- So, 40/45 + 56/54 = 52/27
In mixed form: 125/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+56/54 40/90+56/54