Add 8/45 and 15/84
8/45 + 15/84 is 449/1260.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
8/45 = 8 × 28/45 × 28 = 224/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
15/84 = 15 × 15/84 × 15 = 225/1260 - Add the two like fractions:
224/1260 + 225/1260 = 224 + 225/1260 = 449/1260 - So, 8/45 + 15/84 = 449/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+15/84 8/45+30/84 8/90+15/84 24/45+15/84 8/45+45/84 40/45+15/84 8/45+75/84 56/45+15/84