Add 3/45 and 18/84
3/45 + 18/84 is 59/210.
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,
3/45 = 3 × 28/45 × 28 = 84/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
18/84 = 18 × 15/84 × 15 = 270/1260 - Add the two like fractions:
84/1260 + 270/1260 = 84 + 270/1260 = 354/1260 - 354/1260 simplified gives 59/210
- So, 3/45 + 18/84 = 59/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+18/84 3/45+36/84 3/90+18/84 9/45+18/84 3/45+54/84 15/45+18/84 3/45+90/84 21/45+18/84