Add 72/12 and 1/7
1st number: 6 0/12, 2nd number: 1/7
72/12 + 1/7 is 43/7.
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,
1/7 = 1 × 12/7 × 12 = 12/84 - Add the two like fractions:
504/84 + 12/84 = 504 + 12/84 = 516/84 - 516/84 simplified gives 43/7
- So, 72/12 + 1/7 = 43/7
In mixed form: 61/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+2/7 72/24+1/7 72/12+1/14 72/12+3/7 72/36+1/7 72/12+1/21 72/12+5/7 72/60+1/7 72/12+1/35 72/84+1/7 72/12+1/49