Add 7/4 and 84/45
1st number: 1 3/4, 2nd number: 1 39/45
7/4 + 84/45 is 217/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
315/180 + 336/180 = 315 + 336/180 = 651/180 - 651/180 simplified gives 217/60
- So, 7/4 + 84/45 = 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: 14/4+84/45 7/8+84/45 7/4+84/90 21/4+84/45 7/12+84/45 35/4+84/45 7/20+84/45 49/4+84/45 7/28+84/45