Add 20/5 and 4/45
1st number: 4 0/5, 2nd number: 4/45
20/5 + 4/45 is 184/45.
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,
20/5 = 20 × 9/5 × 9 = 180/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
4/45 = 4 × 1/45 × 1 = 4/45 - Add the two like fractions:
180/45 + 4/45 = 180 + 4/45 = 184/45 - So, 20/5 + 4/45 = 184/45
In mixed form: 44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+4/45 20/5+8/45 20/10+4/45 20/5+4/90 60/5+4/45 20/5+12/45 20/15+4/45 20/5+20/45 20/25+4/45 20/5+28/45 20/35+4/45