Add 12/45 and 84/48
1st number: 12/45, 2nd number: 1 36/48
12/45 + 84/48 is 121/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
84/48 = 84 × 15/48 × 15 = 1260/720 - Add the two like fractions:
192/720 + 1260/720 = 192 + 1260/720 = 1452/720 - 1452/720 simplified gives 121/60
- So, 12/45 + 84/48 = 121/60
In mixed form: 21/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+84/48 12/90+84/48 12/45+84/96 36/45+84/48 60/45+84/48 84/45+84/48