Add 15/2 and 2/20
1st number: 7 1/2, 2nd number: 2/20
15/2 + 2/20 is 38/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
15/2 = 15 × 10/2 × 10 = 150/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Add the two like fractions:
150/20 + 2/20 = 150 + 2/20 = 152/20 - 152/20 simplified gives 38/5
- So, 15/2 + 2/20 = 38/5
In mixed form: 73/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+2/20 15/2+4/20 15/4+2/20 15/2+2/40 45/2+2/20 15/2+6/20 15/6+2/20 15/2+2/60 75/2+2/20 15/2+10/20 15/10+2/20 15/2+14/20 15/14+2/20