Add 84/45 and 7/4
1st number: 1 39/45, 2nd number: 1 3/4
84/45 + 7/4 is 217/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 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 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Add the two like fractions:
336/180 + 315/180 = 336 + 315/180 = 651/180 - 651/180 simplified gives 217/60
- So, 84/45 + 7/4 = 217/60
In mixed form: 337/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+14/4 84/90+7/4 84/45+7/8 84/45+21/4 84/45+7/12 84/45+35/4 84/45+7/20 84/45+49/4 84/45+7/28