Add 20/2 and 15/72
1st number: 10 0/2, 2nd number: 15/72
20/2 + 15/72 is 245/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
20/2 = 20 × 36/2 × 36 = 720/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Add the two like fractions:
720/72 + 15/72 = 720 + 15/72 = 735/72 - 735/72 simplified gives 245/24
- So, 20/2 + 15/72 = 245/24
In mixed form: 105/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+15/72 20/2+30/72 20/4+15/72 60/2+15/72 20/2+45/72 20/6+15/72 20/2+75/72 20/10+15/72 20/14+15/72