Add 72/6 and 12/42
1st number: 12 0/6, 2nd number: 12/42
72/6 + 12/42 is 86/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
72/6 = 72 × 7/6 × 7 = 504/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
504/42 + 12/42 = 504 + 12/42 = 516/42 - 516/42 simplified gives 86/7
- So, 72/6 + 12/42 = 86/7
In mixed form: 122/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+24/42 72/12+12/42 72/6+12/84 72/6+36/42 72/18+12/42 72/6+60/42 72/30+12/42 72/6+84/42 72/42+12/42