Add 15/12 and 2/72
1st number: 1 3/12, 2nd number: 2/72
15/12 + 2/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
15/12 = 15 × 6/12 × 6 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Add the two like fractions:
90/72 + 2/72 = 90 + 2/72 = 92/72 - 92/72 simplified gives 23/18
- So, 15/12 + 2/72 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+2/72 15/12+4/72 15/24+2/72 45/12+2/72 15/12+6/72 15/36+2/72 75/12+2/72 15/12+10/72 15/60+2/72 15/12+14/72 15/84+2/72