Add 18/5 and 4/20
1st number: 3 3/5, 2nd number: 4/20
18/5 + 4/20 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
18/5 = 18 × 4/5 × 4 = 72/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Add the two like fractions:
72/20 + 4/20 = 72 + 4/20 = 76/20 - 76/20 simplified gives 19/5
- So, 18/5 + 4/20 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+4/20 18/5+8/20 18/10+4/20 18/5+4/40 54/5+4/20 18/5+12/20 18/15+4/20 18/5+4/60 90/5+4/20 18/25+4/20 18/5+28/20 18/35+4/20