Add 72/12 and 72/7
1st number: 6 0/12, 2nd number: 10 2/7
72/12 + 72/7 is 114/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
72/7 = 72 × 12/7 × 12 = 864/84 - Add the two like fractions:
504/84 + 864/84 = 504 + 864/84 = 1368/84 - 1368/84 simplified gives 114/7
- So, 72/12 + 72/7 = 114/7
In mixed form: 162/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+72/7 72/12+72/14 72/36+72/7 72/12+72/21 72/60+72/7 72/12+72/35 72/84+72/7 72/12+72/49