Add 72/12 and 3/84
1st number: 6 0/12, 2nd number: 3/84
72/12 + 3/84 is 169/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 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 84 × 1 = 84,
3/84 = 3 × 1/84 × 1 = 3/84 - Add the two like fractions:
504/84 + 3/84 = 504 + 3/84 = 507/84 - 507/84 simplified gives 169/28
- So, 72/12 + 3/84 = 169/28
In mixed form: 61/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+6/84 72/24+3/84 72/12+9/84 72/36+3/84 72/12+15/84 72/60+3/84 72/12+21/84 72/84+3/84