Add 15/4 and 2/45
1st number: 3 3/4, 2nd number: 2/45
15/4 + 2/45 is 683/180.
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,
2/45 = 2 × 4/45 × 4 = 8/180 - Add the two like fractions:
675/180 + 8/180 = 675 + 8/180 = 683/180 - So, 15/4 + 2/45 = 683/180
In mixed form: 3143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+2/45 15/4+4/45 15/8+2/45 15/4+2/90 45/4+2/45 15/4+6/45 15/12+2/45 75/4+2/45 15/4+10/45 15/20+2/45 15/4+14/45 15/28+2/45