Add 60/45 and 18/84
1st number: 1 15/45, 2nd number: 18/84
60/45 + 18/84 is 65/42.
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,
60/45 = 60 × 28/45 × 28 = 1680/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
18/84 = 18 × 15/84 × 15 = 270/1260 - Add the two like fractions:
1680/1260 + 270/1260 = 1680 + 270/1260 = 1950/1260 - 1950/1260 simplified gives 65/42
- So, 60/45 + 18/84 = 65/42
In mixed form: 123/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+36/84 60/90+18/84 60/45+54/84 60/45+90/84