Add 40/5 and 28/45
1st number: 8 0/5, 2nd number: 28/45
40/5 + 28/45 is 388/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
40/5 = 40 × 9/5 × 9 = 360/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Add the two like fractions:
360/45 + 28/45 = 360 + 28/45 = 388/45 - So, 40/5 + 28/45 = 388/45
In mixed form: 828/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+28/45 40/5+56/45 40/10+28/45 40/5+28/90 40/5+84/45 40/15+28/45 40/25+28/45 40/35+28/45