Add 15/5 and 4/20
1st number: 3 0/5, 2nd number: 4/20
15/5 + 4/20 is 16/5.
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,
15/5 = 15 × 4/5 × 4 = 60/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Add the two like fractions:
60/20 + 4/20 = 60 + 4/20 = 64/20 - 64/20 simplified gives 16/5
- So, 15/5 + 4/20 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+4/20 15/5+8/20 15/10+4/20 15/5+4/40 45/5+4/20 15/5+12/20 15/5+4/60 75/5+4/20 15/25+4/20 15/5+28/20 15/35+4/20