Add 45/3 and 3/7
1st number: 15 0/3, 2nd number: 3/7
45/3 + 3/7 is 108/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
45/3 = 45 × 7/3 × 7 = 315/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
3/7 = 3 × 3/7 × 3 = 9/21 - Add the two like fractions:
315/21 + 9/21 = 315 + 9/21 = 324/21 - 324/21 simplified gives 108/7
- So, 45/3 + 3/7 = 108/7
In mixed form: 153/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+3/7 45/3+6/7 45/6+3/7 45/3+3/14 45/3+9/7 45/9+3/7 45/3+3/21 45/3+15/7 45/15+3/7 45/3+3/35 45/3+21/7 45/21+3/7 45/3+3/49