Add 28/45 and 18/84
28/45 + 18/84 is 527/630.
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,
28/45 = 28 × 28/45 × 28 = 784/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
18/84 = 18 × 15/84 × 15 = 270/1260 - Add the two like fractions:
784/1260 + 270/1260 = 784 + 270/1260 = 1054/1260 - 1054/1260 simplified gives 527/630
- So, 28/45 + 18/84 = 527/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+18/84 28/45+36/84 28/90+18/84 84/45+18/84 28/45+54/84 28/45+90/84