Add 8/5 and 40/90
1st number: 1 3/5, 2nd number: 40/90
8/5 + 40/90 is 92/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Add the two like fractions:
144/90 + 40/90 = 144 + 40/90 = 184/90 - 184/90 simplified gives 92/45
- So, 8/5 + 40/90 = 92/45
In mixed form: 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5+40/90 8/5+80/90 8/10+40/90 24/5+40/90 8/15+40/90 40/5+40/90 8/25+40/90 56/5+40/90 8/35+40/90