Add 15/4 and 84/45
1st number: 3 3/4, 2nd number: 1 39/45
15/4 + 84/45 is 337/60.
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,
15/4 = 15 × 45/4 × 45 = 675/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
675/180 + 336/180 = 675 + 336/180 = 1011/180 - 1011/180 simplified gives 337/60
- So, 15/4 + 84/45 = 337/60
In mixed form: 537/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+84/45 15/8+84/45 15/4+84/90 45/4+84/45 15/12+84/45 75/4+84/45 15/20+84/45 15/28+84/45