Add 56/45 and 48/40
1st number: 1 11/45, 2nd number: 1 8/40
56/45 + 48/40 is 22/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
56/45 = 56 × 8/45 × 8 = 448/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Add the two like fractions:
448/360 + 432/360 = 448 + 432/360 = 880/360 - 880/360 simplified gives 22/9
- So, 56/45 + 48/40 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+96/40 56/90+48/40 56/45+48/80