Add 45/72 and 15/6
1st number: 45/72, 2nd number: 2 3/6
45/72 + 15/6 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
15/6 = 15 × 12/6 × 12 = 180/72 - Add the two like fractions:
45/72 + 180/72 = 45 + 180/72 = 225/72 - 225/72 simplified gives 25/8
- So, 45/72 + 15/6 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+15/6 45/72+30/6 45/72+15/12 45/72+45/6 45/72+15/18 45/72+75/6 45/72+15/30 45/72+15/42