Add 8/45 and 9/84
8/45 + 9/84 is 359/1260.
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,
9/84 = 9 × 15/84 × 15 = 135/1260 - Add the two like fractions:
224/1260 + 135/1260 = 224 + 135/1260 = 359/1260 - So, 8/45 + 9/84 = 359/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+9/84 8/45+18/84 8/90+9/84 24/45+9/84 8/45+27/84 40/45+9/84 8/45+45/84 56/45+9/84 8/45+63/84