Add 4/45 and 15/7
1st number: 4/45, 2nd number: 2 1/7
4/45 + 15/7 is 703/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
4/45 = 4 × 7/45 × 7 = 28/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
15/7 = 15 × 45/7 × 45 = 675/315 - Add the two like fractions:
28/315 + 675/315 = 28 + 675/315 = 703/315 - So, 4/45 + 15/7 = 703/315
In mixed form: 273/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+15/7 4/45+30/7 4/90+15/7 4/45+15/14 12/45+15/7 4/45+45/7 4/45+15/21 20/45+15/7 4/45+75/7 4/45+15/35 28/45+15/7 4/45+15/49