Add 45/12 and 20/75
1st number: 3 9/12, 2nd number: 20/75
45/12 + 20/75 is 241/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Add the two like fractions:
1125/300 + 80/300 = 1125 + 80/300 = 1205/300 - 1205/300 simplified gives 241/60
- So, 45/12 + 20/75 = 241/60
In mixed form: 41/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+20/75 45/12+40/75 45/24+20/75 45/12+60/75 45/36+20/75 45/60+20/75 45/84+20/75