Add 84/45 and 28/60
1st number: 1 39/45, 2nd number: 28/60
84/45 + 28/60 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Add the two like fractions:
336/180 + 84/180 = 336 + 84/180 = 420/180 - 420/180 simplified gives 7/3
- So, 84/45 + 28/60 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+56/60 84/90+28/60 84/45+84/60