Add 84/48 and 18/45
1st number: 1 36/48, 2nd number: 18/45
84/48 + 18/45 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
84/48 = 84 × 15/48 × 15 = 1260/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
18/45 = 18 × 16/45 × 16 = 288/720 - Add the two like fractions:
1260/720 + 288/720 = 1260 + 288/720 = 1548/720 - 1548/720 simplified gives 43/20
- So, 84/48 + 18/45 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+36/45 84/96+18/45 84/48+18/90 84/48+54/45 84/48+90/45