Add 84/15 and 84/72
1st number: 5 9/15, 2nd number: 1 12/72
84/15 + 84/72 is 203/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
84/15 = 84 × 24/15 × 24 = 2016/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
2016/360 + 420/360 = 2016 + 420/360 = 2436/360 - 2436/360 simplified gives 203/30
- So, 84/15 + 84/72 = 203/30
In mixed form: 623/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+84/72 84/45+84/72 84/75+84/72