Add 45/5 and 20/8
1st number: 9 0/5, 2nd number: 2 4/8
45/5 + 20/8 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
45/5 = 45 × 8/5 × 8 = 360/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
20/8 = 20 × 5/8 × 5 = 100/40 - Add the two like fractions:
360/40 + 100/40 = 360 + 100/40 = 460/40 - 460/40 simplified gives 23/2
- So, 45/5 + 20/8 = 23/2
In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+20/8 45/5+40/8 45/10+20/8 45/5+20/16 45/5+60/8 45/15+20/8 45/5+20/24 45/25+20/8 45/5+20/40 45/35+20/8 45/5+20/56