Add 84/30 and 84/72
1st number: 2 24/30, 2nd number: 1 12/72
84/30 + 84/72 is 119/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
84/30 = 84 × 12/30 × 12 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
1008/360 + 420/360 = 1008 + 420/360 = 1428/360 - 1428/360 simplified gives 119/30
- So, 84/30 + 84/72 = 119/30
In mixed form: 329/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+84/72 84/90+84/72